Barrel (US liquid): unit of volume traditionally used for measuring liquids abbreviated as "bbl". Its exact size depends on the context or substance being measured. In US most fluid barrels (apart from oil) are 31.5 US gallons (approximately 119 litters), but beer is 31 US gallons (117 litters).
Tablespoon (US): In the United States, a tablespoon is a unit of volume commonly used in cooking and culinary measurements. It is part of the U.S. customary system, which is similar to but distinct from the imperial system. 1 U.S. tablespoon = 14.7868 milliliters.
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