US oil barrels
A US oil barrel, also known as a petroleum barrel, is a volume unit used in the oil and gas industry to measure crude oil or liquid petroleum gas (LPG). One US oil barrel is 42 US gallons or about 159 liters.
UK tablespoons
A UK tablespoon is a unit used in the United Kingdom for cooking and baking purposes. The UK tablespoon is aligned to the metric system at 15 milliliters.