Oils 2
Oils 2 : A group of neutral liquids comprising 3 main classes: a) fixed (fatty) oils, from animal, vegetable and marine sources, consisting chiefly of glycerides and esters of fatty acids; b) mineral oils, derived from petroleum, coal, shale, etc. , consisting of hydrocarbons; c) essential oils, volatile products, mainly hydrocarbons, with characteristic odours, derived from certain plants. Mineral oils are used in transformers, cables and switchgear. (Chambers). See also: Black Oils, Light Oil, Middle Oil, Road Oil, White Oils, Wild Oil
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