A dipstick is one of several measurement devices.
Using a dipstick to measure the amount of fuel remaining in a tank
The lower end of an oil dipstick with markings for minimum and maximum oil levels
A barrel or cask is a hollow cylindrical container with a bulging center, longer than it is wide. They are traditionally made of wooden staves and bound by wooden or metal hoops. The word vat is often
Dipstick
…found on most internal combustion engines. Other kinds of dipsticks are used to measure everything from fuel levels to the amount of beer left in an ale cask or firkin. "Dipstick" is the trade name of a profiling device manufactured by Face Construction Technologies of Norfolk, Virginia, US. The instrument…
Traditional oak barrels made by Chilean cooperage Tonelería Nacional
Mackmyra barrels at Häckeberga Castle
Modern stainless steel casks and kegs outside the Castle Rock microbrewery in Nottingham, England
Wooden wine barrel at an exhibition in Croatia