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Petroleum refinery in Anacortes, Washington, United States. Petroleum refining processes are the chemical engineering processes and other facilities used in petroleum refineries (also referred to as oil refineries) to transform crude oil into useful products such as liquefied petroleum gas (LPG), gasoline or petrol, kerosene, jet fuel, diesel oil and fuel oils.
Cajuput essential oil in clear glass vial. Cajuput oil (also spelled cajeput) is a volatile oil obtained by distillation from the leaves of the myrtaceous trees Melaleuca leucadendra, Melaleuca cajuputi, and probably other Melaleuca species.
Bessemer converter, schematic diagram. The Bessemer process was the first inexpensive industrial process for the mass production of steel from molten pig iron before the development of the open hearth furnace.
Glass vial containing jojoba oil. Jojoba oil (/ h ə ˈ h oʊ b ə / ⓘ) is the liquid produced in the seed of the Simmondsia chinensis [1] plant, a shrub, which is native to southern Arizona, southern California, and northwestern Mexico.