ISO Paper Sizes Standard Overview & Rationale. The ISO paper size A standard is based on each size being half of the size of the previous one, when folded parallel to the shorter lengths.
Whatever the origin of the term, barbeque, barbecue, or BBQ in the United States has come to mean anything from slow cooking with heat and smoke (the traditional way), to grilling over an open fire, to the gathering itself where grilled or smoked meat is served.he Oxford English Dictionary states that the word barbeque was derived from the Spanish word barbacoa which itself was taken from a Haitian word barbacoa, meaning a framework of sticks set upon posts..
Report Abuse. bbl stands for an oil barrel. bbls would be plural. The b may have been doubled originally to indicate the plural (1 bl, 2 bbl), or possibly it was doubled to eliminate any confusion with bl as a symbol for the bale.o avoid confusion, the bbl abbreviation is used to signify a petroleum barrel of 159 liters. I have no idea where the double b came from, its sort of like why do we abbreviate a pound as lb.