1.
Laos
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Present day Laos traces its historic and cultural identity to the kingdom of Lan Xang Hom Khao, which existed for four centuries as one of the largest kingdoms in Southeast Asia. Due to Lan Xangs central geographical location in Southeast Asia, the kingdom was able to become a hub for overland trade. After a period of conflict, Lan Xang broke off into three separate kingdoms— Luang Phabang, Vientiane and Champasak. In 1893, it became a French protectorate, with the three territories uniting to form what is now known as the country of Laos and it briefly gained independence in 1945 after Japanese occupation, but returned to French rule until it was granted autonomy in 1949. Laos became independent in 1953, with a monarchy under Sisavang Vong. Shortly after independence, a civil war ended the monarchy. Laos is a one-party socialist republic and it espouses Marxism and is governed by the Lao Peoples Revolutionary Party, in which the party leadership is dominated by military figures. The Socialist Republic of Vietnam and the Vietnam Peoples Army continue to have significant influence in Laos, other large cities include Luang Prabang, Savannakhet, and Pakse. Laos is a country with the politically and culturally dominant Lao people making up approximately 60 percent of the population. Mon-Khmer groups, the Hmong, and other hill tribes, accounting for 40 percent of the population, live in the foothills. It is a member of the Asia-Pacific Trade Agreement, Association of Southeast Asian Nations, East Asia Summit, Laos applied for membership of the World Trade Organization in 1997, on 2 February 2013, it was granted full membership. According to the anti-corruption non-governmental organisation Transparency International, Laos remains one of the most corrupt countries in the world and this has deterred foreign investment and created major problems with the rule of law, including the nations ability to enforce contract and business regulation. This has contributed to a third of the population of Laos currently living below the poverty line. Laos has an economy, with one of the lowest annual incomes in the world. In 2014, the country ranked 141st on the Human Development Index, according to the Global Hunger Index, Laos ranks as the 29th hungriest nation in the world out of the list of the 52 nations with the worst hunger situation. Laos has also had a human rights record. In the Lao language, the name is Muang Lao or Pathet Lao. Stone artefacts including Hoabinhian types have been found at sites dating to the Late Pleistocene in northern Laos, archaeological evidence suggests agriculturist society developed during the 4th millennium BC
2.
Cooking
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Cooking or cookery is the art, technology and craft of preparing food for consumption with the use of heat. The ways or types of cooking also depend on the skill, cooking is done both by people in their own dwellings and by professional cooks and chefs in restaurants and other food establishments. Cooking can also occur through chemical reactions without the presence of heat, such as in ceviche, preparing food with heat or fire is an activity unique to humans. It may have started around 2 million years ago, though evidence for it reaches no more than 1 million years ago. The expansion of agriculture, commerce, trade and transportation between civilizations in different regions offered cooks many new ingredients, New inventions and technologies, such as the invention of pottery for holding and boiling water, expanded cooking techniques. Some modern cooks apply advanced scientific techniques to food preparation to further enhance the flavor of the dish served, phylogenetic analysis suggests that human ancestors may have invented cooking as far back as 1.8 million to 2.3 million years ago. Re-analysis of burnt bone fragments and plant ashes from the Wonderwerk Cave, there is evidence that Homo erectus was cooking their food as early as 500,000 years ago. Evidence for the use of fire by Homo erectus beginning some 400,000 years ago has wide scholarly support. Archeological evidence, from 300,000 years ago, in the form of ancient hearths, earth ovens, burnt animal bones, and flint, are found across Europe, anthropologists think that widespread cooking fires began about 250,000 years ago, when hearths started appearing. More recently, the earliest hearths have been reported to be at least 790,000 years old, in the seventeenth and eighteenth centuries, food was a classic marker of identity in Europe. In the nineteenth-century Age of Nationalism cuisine became a symbol of national identity. Communication between the Old World and the New World in the Colombian exchange influenced the history of cooking, the Industrial Revolution brought mass-production, mass-marketing and standardization of food. Factories processed, preserved, canned, and packaged a wide variety of foods, in the 1920s, freezing methods, cafeterias and fast-food establishments emerged. Along with changes in food, starting early in the 20th century, governments have issued nutrition guidelines, the 1916 Food For Young Children became the first USDA guide to give specific dietary guidelines. Updated in the 1920s, these guides gave shopping suggestions for different-sized families along with a Depression Era revision which included four cost levels, in 1943, the USDA created the Basic Seven chart to make sure that people got the recommended nutrients. It included the first-ever Recommended Daily Allowances from the National Academy of Sciences, in 1956, the Essentials of an Adequate Diet brought recommendations which cut the number of groups that American school children would learn about down to four. In 1979, a guide called Food addressed the link between too much of certain foods and chronic diseases, but added fats, oils, most ingredients in cooking are derived from living organisms. Vegetables, fruits, grains and nuts as well as herbs and spices come from plants, while meat, eggs, mushrooms and the yeast used in baking are kinds of fungi
3.
Food steamer
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This manner of cooking is called steaming. Food steamers have been used for centuries, the ancient Chinese used pottery steamers to cook food. The earliest yan steamer dating from about 5000 BC was unearthed in the Banpo site, in the Longshan culture site at Tianwang in western Shandong,3 large yan steamers were discovered. Most steam cookers also feature a juice catchment which allows all nutrients to be consumed, food steamers release less heat to the kitchen environment, therefore helping keep the kitchen cool during hot summers. Food processing List of cooking appliances List of steamed foods Mushiki Pressure cooking Rice cooker, a cooking appliance that may have a food steaming capability Siru, earthenware steamer
4.
Wok
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A wok is a versatile round-bottomed cooking vessel, originating from China. The use of the wok is very prevalent in South China and it is one of the most common cooking utensils in China and also found in parts of East, South and Southeast Asia, as well as becoming a popular niche cookware in all the world. Wok cooking is done with long-handled utensils called chahn or hoak, the long handles of these utensils allow cooks to work with the food without burning their hands. In Japan the wok is called a chūkanabe, in Indonesia the wok is known as a penggorengan or wajan. In Malaysia it is called a kuali or kawah, similarly in the Philippines, the wok is known as kawali, while bigger woks used for festivals and gatherings are known as kawa. The woks most distinguishing feature is its shape, classic woks have a rounded bottom. Hand-hammered woks are sometimes flipped inside out after being shaped, giving the wok a gentle flare to the edge that makes it easier to push food up onto the sides of the wok. Woks sold in western countries are found with flat bottoms—this makes them more similar to a deep frying pan. The flat bottom allows the wok to be used on an electric stove, a round bottom wok enables the traditional round spatula or ladle to pick all the food up at the bottom of the wok and toss it around easily, this is difficult with a flat bottom. With a gas hob, or traditional pit stove, the bottom of a round wok can get hotter than a flat wok, most woks range from 300 to 360 mm or more in diameter. Woks of 360 mm are the most common, but home woks can be found as small as 200 mm, smaller woks are typically used for quick cooking techniques at high heat such as stir frying. Large woks over a meter wide are used by restaurants or community kitchens for cooking rice or soup. The most common used in making woks today are carbon steel. Although the latter was the most common used in the past. Their light weight makes them easier to lift and quicker to heat, carbon steel woks, however, tend to be more difficult to season than those made of cast-iron. Carbon steel woks vary widely in price, style, and quality, the lowest quality steel woks tend to be stamped by machine from a single ply or piece of stamped steel. Less expensive woks have a tendency to deform and misshape. Cooking with lower quality woks is also difficult and precarious since they often have a hot spot
5.
Gunma Prefecture
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Gunma Prefecture is a prefecture of Japan located in the northwest corner of the Kantō region on the main Honshu island. Japan was without horses until around the fifth century CE, the ancient province of Gunma was a center of the horsebreeding and trading activities for the newly immigrated continental peoples. The arrival of horses and the remains of horse-tackle coincides with the arrival of a migration from the mainland. From this point forward, the became a vital part of Japanese military maneuvers. When Mount Haruna erupted in the late 6th century, Japan was still in the pre-historical phase, the Gunma Prefectural archaeology unit in 1994 was able to date the eruption through zoological anthropology at the corral sites that were buried in ash. In the past, Gunma was joined with Tochigi Prefecture and called Kenu Province and this was later divided into Kami-tsu-ke and Shimo-tsu-ke. The area is referred to as Jomo. For most of Japanese history, Gunma was known as the province of Kozuke, the first modern silk factories were built with Italian and French assistance at Annaka in the 1870s. The modern Japanese army gunned down farmers with new repeating rifles built in Japan, the farmers in Gunma were said to be the first victims of the Murata rifle. In the twentieth century, the Japanese aviation pioneer Nakajima Chikushi of Oizumi, Gunma Prefecture, the factory now produces Subaru motorcars and other products under the name of Fuji Heavy Industries. In the 1930s, German architect Bruno Julius Florian Taut lived and conducted research for a while in Takasaki, the Girard Incident, which disturbed US-Japanese relations in the 1950s, occurred in Gunma in 1957, at Soumagahara Base near Shibukawa. Four modern prime ministers are from Gunma, namely, Takeo Fukuda, Yasuhiro Nakasone, Keizo Obuchi, and Yasuo Fukuda, one of only eight landlocked prefectures in Japan, Gunma is the northwestern-most prefecture of the Kantō plain. Except for the central and southeast areas, where most of the population is concentrated, to the north are Niigata and Fukushima prefectures, while to the east lies Tochigi Prefecture. To the west lies Nagano Prefecture, and Saitama Prefecture is to the south, some of the major mountains in Gunma are Mount Akagi, Mount Haruna, Mount Myōgi, Mount Nikkō-Shirane and Mount Asama, which is located on the Nagano border. Major rivers include the Tone River, the Agatsuma River, and this is because of the kara-kaze, a strong, dry wind which occurs in the winter when the snow falls on the coasts of Niigata. The wind carrying clouds with snow are obstructed by the Echigo Mountains, for this reason, the wind changes into the kara-kaze. More traditional industries include sericulture and agriculture, gunmas major agricultural products include cabbages and konjacs. Gunma produces 90% of Japans konjacs, and two-thirds of the farms in the village of Tsumagoi are cabbage farms, also, the city of Ōta is famous for car industry, notably the Subaru factory
6.
Japan
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Japan is a sovereign island nation in Eastern Asia. Located in the Pacific Ocean, it lies off the eastern coast of the Asia Mainland and stretches from the Sea of Okhotsk in the north to the East China Sea, the kanji that make up Japans name mean sun origin. 日 can be read as ni and means sun while 本 can be read as hon, or pon, Japan is often referred to by the famous epithet Land of the Rising Sun in reference to its Japanese name. Japan is an archipelago consisting of about 6,852 islands. The four largest are Honshu, Hokkaido, Kyushu and Shikoku, the country is divided into 47 prefectures in eight regions. Hokkaido being the northernmost prefecture and Okinawa being the southernmost one, the population of 127 million is the worlds tenth largest. Japanese people make up 98. 5% of Japans total population, approximately 9.1 million people live in the city of Tokyo, the capital of Japan. Archaeological research indicates that Japan was inhabited as early as the Upper Paleolithic period, the first written mention of Japan is in Chinese history texts from the 1st century AD. Influence from other regions, mainly China, followed by periods of isolation, from the 12th century until 1868, Japan was ruled by successive feudal military shoguns who ruled in the name of the Emperor. Japan entered into a period of isolation in the early 17th century. The Second Sino-Japanese War of 1937 expanded into part of World War II in 1941, which came to an end in 1945 following the bombings of Hiroshima and Nagasaki. Japan is a member of the UN, the OECD, the G7, the G8, the country has the worlds third-largest economy by nominal GDP and the worlds fourth-largest economy by purchasing power parity. It is also the worlds fourth-largest exporter and fourth-largest importer, although Japan has officially renounced its right to declare war, it maintains a modern military with the worlds eighth-largest military budget, used for self-defense and peacekeeping roles. Japan is a country with a very high standard of living. Its population enjoys the highest life expectancy and the third lowest infant mortality rate in the world, in ancient China, Japan was called Wo 倭. It was mentioned in the third century Chinese historical text Records of the Three Kingdoms in the section for the Wei kingdom, Wa became disliked because it has the connotation of the character 矮, meaning dwarf. The 倭 kanji has been replaced with the homophone Wa, meaning harmony, the Japanese word for Japan is 日本, which is pronounced Nippon or Nihon and literally means the origin of the sun. The earliest record of the name Nihon appears in the Chinese historical records of the Tang dynasty, at the start of the seventh century, a delegation from Japan introduced their country as Nihon
7.
Stone Age
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The Stone Age was a broad prehistoric period during which stone was widely used to make implements with an edge, a point, or a percussion surface. The period lasted roughly 3.4 million years, and ended between 8700 BCE and 2000 BCE with the advent of metalworking, bone tools were used during this period as well but are rarely preserved in the archaeological record. The Stone Age is further subdivided by the types of tools in use. According to the age and location of the current evidence, the cradle of the genus is the East African Rift System, especially toward the north in Ethiopia, where it is bordered by grasslands. The closest relative among the living primates, the genus Pan, represents a branch that continued on in the deep forest. The rift served as a conduit for movement into southern Africa and also north down the Nile into North Africa and through the continuation of the rift in the Levant to the vast grasslands of Asia. The oldest indirect evidence found of stone tool use is fossilised animal bones with tool marks, the oldest stone tools were excavated from the site of Lomekwi 3 in West Turkana, northwestern Kenya, and date to 3.3 million years old. Prior to the discovery of these Lomekwian tools, the oldest known stone tools had been found at sites at Gona, Ethiopia, on the sediments of the paleo-Awash River. All the tools come from the Busidama Formation, which lies above a disconformity, or missing layer, the oldest sites containing tools are dated to 2. 6–2.55 mya. One of the most striking circumstances about these sites is that they are from the Late Pliocene, excavators at the locality point out that. the earliest stone tool makers were skilled flintknappers. The possible reasons behind this seeming abrupt transition from the absence of tools to the presence thereof include. The species who made the Pliocene tools remains unknown, fragments of Australopithecus garhi, Australopithecus aethiopicus and Homo, possibly Homo habilis, have been found in sites near the age of the Gona tools. Innovation of the technique of smelting ore ended the Stone Age, the first most significant metal manufactured was bronze, an alloy of copper and tin, each of which was smelted separately. The Chalcolithic by convention is the period of the Bronze Age. The Bronze Age was followed by the Iron Age, the transition out of the Stone Age occurred between 6000 BCE and 2500 BCE for much of humanity living in North Africa and Eurasia. Note the Rudna Glava mine in Serbia, Ötzi the Iceman, a mummy from about 3300 BCE carried with him a copper axe and a flint knife. In regions such as Sub-Saharan Africa, the Stone Age was followed directly by the Iron Age, the Middle East and southeastern Asian regions progressed past Stone Age technology around 6000 BCE. Europe, and the rest of Asia became post–Stone Age societies by about 4000 BCE, the proto-Inca cultures of South America continued at a Stone Age level until around 2000 BCE, when gold, copper and silver made their entrance
8.
Italy
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Italy, officially the Italian Republic, is a unitary parliamentary republic in Europe. Located in the heart of the Mediterranean Sea, Italy shares open land borders with France, Switzerland, Austria, Slovenia, San Marino, Italy covers an area of 301,338 km2 and has a largely temperate seasonal climate and Mediterranean climate. Due to its shape, it is referred to in Italy as lo Stivale. With 61 million inhabitants, it is the fourth most populous EU member state, the Italic tribe known as the Latins formed the Roman Kingdom, which eventually became a republic that conquered and assimilated other nearby civilisations. The legacy of the Roman Empire is widespread and can be observed in the distribution of civilian law, republican governments, Christianity. The Renaissance began in Italy and spread to the rest of Europe, bringing a renewed interest in humanism, science, exploration, Italian culture flourished at this time, producing famous scholars, artists and polymaths such as Leonardo da Vinci, Galileo, Michelangelo and Machiavelli. The weakened sovereigns soon fell victim to conquest by European powers such as France, Spain and Austria. Despite being one of the victors in World War I, Italy entered a period of economic crisis and social turmoil. The subsequent participation in World War II on the Axis side ended in defeat, economic destruction. Today, Italy has the third largest economy in the Eurozone and it has a very high level of human development and is ranked sixth in the world for life expectancy. The country plays a prominent role in regional and global economic, military, cultural and diplomatic affairs, as a reflection of its cultural wealth, Italy is home to 51 World Heritage Sites, the most in the world, and is the fifth most visited country. The assumptions on the etymology of the name Italia are very numerous, according to one of the more common explanations, the term Italia, from Latin, Italia, was borrowed through Greek from the Oscan Víteliú, meaning land of young cattle. The bull was a symbol of the southern Italic tribes and was often depicted goring the Roman wolf as a defiant symbol of free Italy during the Social War. Greek historian Dionysius of Halicarnassus states this account together with the legend that Italy was named after Italus, mentioned also by Aristotle and Thucydides. The name Italia originally applied only to a part of what is now Southern Italy – according to Antiochus of Syracuse, but by his time Oenotria and Italy had become synonymous, and the name also applied to most of Lucania as well. The Greeks gradually came to apply the name Italia to a larger region, excavations throughout Italy revealed a Neanderthal presence dating back to the Palaeolithic period, some 200,000 years ago, modern Humans arrived about 40,000 years ago. Other ancient Italian peoples of undetermined language families but of possible origins include the Rhaetian people and Cammuni. Also the Phoenicians established colonies on the coasts of Sardinia and Sicily, the Roman legacy has deeply influenced the Western civilisation, shaping most of the modern world
9.
Sardinia
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Sardinia is the second largest island in the Mediterranean Sea and an autonomous region of Italy. It is located in the Western Mediterranean, just south of the French island of Corsica, the regions official name is Regione Autonoma della Sardegna / Regione Autònoma de Sardigna, and its capital and largest city is Cagliari. It is divided into four provinces and a metropolitan city and its indigenous language and the other minority languages spoken by the Sardinians enjoy equal dignity with Italian under regional law. The name Sardinia is from the pre-Roman noun *srd-, later romanised as sardus and it makes its first appearance on the Nora Stone, where the word Šrdn testifies to the names existence when the Phoenician merchants first arrived. According to Timaeus, one of Platos dialogues, Sardinia and its people as well might have named after Sardò. There has also been speculation that identifies the ancient Nuragic Sards with the Sherden, in Classical antiquity, Sardinia was called Ichnusa, Σανδάλιον Sandal, Sardinia and Sardó. Sardinia is the second-largest island in the Mediterranean Sea, with an area of 24,100 square kilometres and it is situated between 38°51 and 41°18 latitude north and 8°8 and 9°50 east longitude. To the west of Sardinia is the Sea of Sardinia, a unit of the Mediterranean Sea, to Sardinias east is the Tyrrhenian Sea, the nearest land masses are the island of Corsica, the Italian Peninsula, Sicily, Tunisia, the Balearic Islands, and Provence. The Tyrrhenian Sea portion of the Mediterranean Sea is directly to the east of Sardinia between the Sardinian east coast and the west coast of the Italian mainland peninsula, the Strait of Bonifacio is directly north of Sardinia and separates Sardinia from the French island of Corsica. The island has an ancient geoformation and, unlike Sicily and mainland Italy, is not earthquake-prone and its rocks date in fact from the Palaeozoic Era. Due to long erosion processes, the highlands, formed of granite, schist, trachyte, basalt, sandstone and dolomite limestone. The highest peak is Punta La Marmora, part of the Gennargentu Ranges in the centre of the island. The islands ranges and plateaux are separated by wide valleys and flatlands. Sardinia has few rivers, the largest being the Tirso,151 km long, which flows into the Sea of Sardinia, the Coghinas. There are 54 artificial lakes and dams that supply water and electricity, the main ones are Lake Omodeo and Lake Coghinas. The only natural lake is Lago di Baratz. A number of large, shallow, salt-water lagoons and pools are located along the 1,850 km of the coastline, the climate of the island is variable from area to area, due to several factors including the extension in latitude and the elevation. During the year there is a concentration of rainfall in the winter and autumn, some heavy showers in the spring
10.
Cochise County, Arizona
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Cochise County is a county located in the southeastern corner of the U. S. state of Arizona. The population was 131,346 at the 2010 census, Cochise County comprises the Sierra Vista-Douglas, AZ Metropolitan Statistical Area. The county borders southwestern New Mexico and northwestern Sonora in Mexico, Cochise County was created on February 1,1881, out of the eastern portion of Pima County. It took its name from the legendary Chiricahua Apache war chief Cochise, the county seat was Tombstone until 1929 when it moved to Bisbee. K. Later, in 1886, Texas John Slaughter became sheriff, lawman Jeff Milton and lawman/outlaw Burt Alvord both served as deputies under Slaughter. A syndicated television series aired from 1956 to 1958, Sheriff of Cochise starring John Bromfield, was filmed in Bisbee. The Jimmy Stewart movie Broken Arrow and subsequent television show of the same name starring John Lupton, jances Joanna Brady mystery series takes place in Cochise County, with Brady being the sheriff. Beginning in the late 1950s, the community of Miracle Valley was the site of a series of bible colleges and similar religious organizations. According to the U. S. Census Bureau, the county has an area of 6,219 square miles. Cochise County is close to the size of the States of Rhode Island, the population density was 19 people per square mile. There were 51,126 housing units at a density of 8 per square mile. 30. 69% of the population were Hispanic or Latino of any race,25. 35% reported speaking Spanish at home, while 1. 31% speak German. 25. 30% of all households were made up of individuals and 10. 10% had someone living alone who was 65 years of age or older, the average household size was 2.55 and the average family size was 3.07. In the county, the population was out with 26. 30% under the age of 18,9. 30% from 18 to 24,26. 00% from 25 to 44,23. 70% from 45 to 64. The median age was 37 years, for every 100 females there were 101.60 males. For every 100 females age 18 and over, there were 101.20 males, the median income for a household in the county was $32,105, and the median income for a family was $38,005. Males had an income of $30,533 versus $22,252 for females. The per capita income for the county was $15,988, about 13. 50% of families and 17. 70% of the population were below the poverty line, including 25. 80% of those under age 18 and 10. 40% of those age 65 or over
11.
Yellow River
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The Yellow River or Huang He is the second-longest river in Asia, following the Yangtze River, and the sixth-longest river system in the world at the estimated length of 5,464 km. Originating in the Bayan Har Mountains in Qinghai province of western China, it flows through nine provinces, the Yellow River basin has an east–west extent of about 1,900 kilometers and a north–south extent of about 1,100 km. Its total basin area is about 742,443 square kilometers and its basin was the birthplace of ancient Chinese civilization, and it was the most prosperous region in early Chinese history. Early Chinese literature including the Yu Gong or Tribute of Yu dating to the Warring States period refers to the Yellow River as simply 河, the first appearance of the name 黃河 is in the Book of Han written during the Eastern Han dynasty about the Western Han dynasty. The adjective yellow describes the color of the muddy water in the lower course of the river. One of its older Mongolian names was the Black River, because the river runs clear before it enters the Loess Plateau, in Mongolia itself, it is simply called the Šar Mörön. In Qinghai, the rivers Tibetan name is River of the Peacock above sea level they are the two largest plateau freshwater lakes nationwide, flowing east at the eastern edge of the Amne Machin Mountains, the Yellow River enters Maqu County in Gansu. Here, the river skirts through the peat bog known as the Zoigê Wetlands. Flowing now along the edge of Amne Machin, the river reenters Qinghai. The valley section stretches from Longyang Gorge in Qinghai to Qingtong Gorge in Gansu, steep cliffs line both sides of the river. The water bed is narrow and the drop is large, so the flow in this section is extremely turbulent. There are 20 gorges in this section, the most famous of these being the Longyang, Jishi, Liujia, Bapan, the flow conditions in this section makes it the best location for hydroelectric plants. The Yellow River exits Qinghai for the second and final time in these gorges, downstream from the Yanguo Gorge, the provincial capital of Lanzhou is built upon the Yellow Rivers banks. The Yellow River flows northeasterly out of Gansu and into Ningxia before the Qingtong Gorge, after emerging from the Qingtong Gorge, the river comes into a section of vast alluvial plains, the Yinchuan Plain and Hetao Plain. In this section, the regions along the river are mostly deserts and grasslands, the Hetao Plain has a length of 900 km and width of 30 to 50 km. It is historically the most important irrigation plain along the Yellow River, the Ordos Loop formed by an enormous twist of the Yellow River, beginning at Zhongning County in Ningxia and ending with a drastic eastward turn at its confluence with the Wei at Tongguan in Shaanxi. However, the division for the middle reaches of the river run from Hekou in Togtoh County, Inner Mongolia, to Zhengzhou. The middle reaches are 1,206 km long, with an area of 344,000 square kilometers,45. 7% of the total, with a total elevation drop of 890 m
12.
Stoneware
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Earthenware is glazed or unglazed nonvitreous pottery which has normally been fired below 1200°C. Porcelain, bone china and stoneware, all fired at high temperatures to vitrify, are the main other important types of pottery. Pit fired earthenware dates back to as early as 29, 000–25,000 BCE, outside East Asia, porcelain was manufactured only from the 18th century, and then initially as an expensive luxury. Earthenware, when fired, is opaque and non-vitreous, soft, the Combined Nomenclature of the European Communities describes it as being made of selected clays sometimes mixed with feldspars and varying amounts of other minerals and white or light-colored. Generally, earthenware bodies exhibit higher plasticity than most whiteware bodies and hence are easier to shape by RAM press, due to its porosity, earthenware, with a water absorption of 5-8%, must be glazed to be watertight. Earthenware has lower mechanical strength than bone china, porcelain or stoneware, darker-colored terracotta earthenwares, typically orange or red, due to a comparatively high content of iron oxide are widely used for flower pots, tiles and some decorative and oven wares. A general body formulation for contemporary earthenware is 25% kaolin, 25% ball clay, 35% quartz and 15% feldspar. Modern earthenware may be fired to temperatures between 1,000 and 1,150 °C and glost-fired to between 950 to 1,050 °C, the usual practice in factories and some studio potteries. Some studio potters follow the practice, with a low-temperature bisque firing. The firing schedule will be determined by the raw materials used, historically, such high temperatures were unattainable in most cultures and periods until modern times, though Chinese ceramics were far ahead of other cultures in this respect. Earthenware can be produced at firing temperatures as low as 600 °C, much historical pottery was fired somewhere around 800 °C, giving a wide margin of error where there was no precise way of measuring temperature, and very variable conditions within the kiln. After firing most earthenware bodies will be colored white, buff or red, for red earthenware, the firing temperature affects the color of the clay body. Lower temperatures produce a red terracotta color, higher temperatures will make the clay brown or even black. Higher firing temperatures may cause earthenware to bloat, an Introduction to the Technology Of Pottery. Whitewares, Production, Testing And Quality Control, the Potters Dictionary of Materials and Techniques. A & C Black Publishers Limited, London, England, Third Edition,1991
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