煉油廠

To refine or smelt metals using heat; to purify substances by heating; to distill or condense; to process medicinal herbs by heating.

Oil, fat, grease, or petroleum; to paint or varnish; oily or greasy; also slang for cunning or glib; extra profit; to get dirty with oil.

A factory or industrial plant; a large place for manufacturing, repairing, or storing things; sometimes refers to an open-sided structure like a shed.