Category:Petroleum

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English: Petroleum ( L. petroleum, from rock + oleum oil) or crude oil is a naturally occurring, toxic, flammable liquid consisting of a complex mixture of hydrocarbons of various molecular weights, and other organic compounds, that are found in geologic formations beneath the Earth's surface. (→Petroleum)

Subcategories

This category has the following 21 subcategories, out of 21 total.

 

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Pages in category "Petroleum"

This category contains only the following page.

Media in category "Petroleum"

The following 199 files are in this category, out of 199 total.