обогащение полезных ископаемых(In the field of extractive metallurgy, mineral processing, also known as mineral dressing or ore dressing, is the process of separating commercially valuable minerals from their ores. wiki Alexander Demidov)
керосин(Mineral turpentine is a hydrotreated light distillate of petroleum, and consists of a complex mixture of highly refined hydrocarbon distillates mainly in the C9-C16 range. – Смеси углеводородов, преимущественно C9-C16 (выкипают в пределах 110-320°С). fa158)
