Knife
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A knife is a tool or weapon with a cutting edge or blade, usually attached to a handle or hilt. One of the earliest tools used by humanity, knives appeared at least 2.5 million years ago, as evidenced
A Bowie knife of pattern-welded steel
Characteristic parts of a knife
Morakniv carbon steel knife
Knife blade mass production
Pocketknife
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A pocketknife is a knife with one or more blades that fold into the handle. It is also known as a jackknife, or a folding knife. It may be referred to as a penknife, though a penknife may also be a sp
Knife
…and country. Knives can serve various purposes. Hunters use the hunting knife, soldiers use the combat knife, scouts, campers, and hikers carry the pocketknife; there are kitchen knives for preparing foods (the chef's knife, the paring knife, bread knife, cleaver), table knife (butter knives and steak knives…
A collection of pocketknives
A Swiss Army knife made by Victorinox
A typical pruning knife, made by Opinel
Roman pocketknife: original with a modern reconstruction beside it