If you mean purchase, then from any local gas station (Shell) .
If you mean where it is obtained from, it is a form of oil which is extracted from the ground.
petroleum refining is petroleum refining
Something that contains no petroleum is petroleum-free.
Petroleum is a liquid.
A. E. Dunstan has written: 'The science of petroleum' -- subject(s): Petroleum engineering, Petroleum industry and trade 'Chemistry and the petroleum industry' -- subject(s): Petroleum
Norman J. Hyne has written: 'Geology for petroleum exploration, drilling, and production' -- subject(s): Petroleum, Prospecting, Petroleum engineering, Geology 'Dictionary of petroleum exploration, drilling & production' -- subject(s): Dictionaries, Petroleum, Petroleum engineering 'Nontechnical guide to petroleum geology, exploration, drilling, and production' -- subject(s): Prospecting, Petroleum, Petroleum engineering, Geology
petroleum is a science fact
a bit
No, it is not. Petroleum is a form of resource.
You don't crack Petroleum. Petroleum is one of the distillates of cracking crude oil.
plastic is made out of petroleum. The source for today's plastic is petroleum.
Products in this industry include calcined petroleum coke, regular petroleum coke, fireplace logs, fuel briquettes, or petroleum waxes, independently of petroleum refineries.
Victor Ross has written: 'The evolution of the oil industry' -- subject(s): Petroleum industry and trade, Petroleum 'Petroleum in Canada' -- subject(s): Petroleum, Petroleum industry and trade