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 (Imperial): in the imperial system, a tablespoon is a unit of volume primarily used in cooking and culinary contexts. It is slightly larger than the tablespoon used in the U.S. customary or metric systems and is equal to 17.758 milliliters. Although the imperial tablespoon is still recognized, its usage has decreased in favor of the metric tablespoon (15 mL) in modern recipes.
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