Barrel (unit) continued to use the same size barrels. In the worldwide oil industry, an oil barrel is defined as 42 US gallons, which is about litres or 35 imperial gallons. Oil companies that are listed on American stock exchanges typically report their production in terms of volume and use the units of bbl, Mbbl (one thousand barrels), or MMbbl (one million barrels) and occasionally for widest comprehensive statistics the Gbbl (or sometimes Gbl) denoting a billion. There is a conflict concerning the units for oil barrels (see ). For all other physical quantities, according to the International System of Units, the
Barrel bombs in Palestine and Israel and widely available. Paglin's bomb design consisted of an oil barrel with tires mounted on the ends allowing it to roll. It was filled with 500 pounds of explosives. The bomb was hoisted onto the top of a lorry under a canvas tarp to keep it hidden. The height of the lorry was higher than the top of the fence surrounding the police station. A cord inside the lorry released the barrel which sent it down a short ramp, also mounted on the lorry roof, launching it over the fence onto the police grounds. Momentum carried the barrel bomb towards