In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

Oil refining is the name for a number of processes from chemical engineering , which transform crude oil into useful products such as different fuel oils , Liquefied petroleum gas , gasoline , kerosene or diesel oil .
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 .