noun, noun or participle which takes 'suru', transitive verb, intransitive verb
oil refining
Refers to the industrial process of refining crude oil into petroleum products.
この地域には製油所がいくつかある。
There are several oil refineries in this area.
原油を製油してガソリンや軽油を作る。
They refine crude oil to produce gasoline and diesel.
noun, noun or participle which takes 'suru', transitive verb, intransitive verb
oil extraction; oil pressing
Refers to extracting oil from animal or vegetable sources, such as seeds or fish.
菜種から製油した油は食用にも使われる。
Oil extracted from rapeseed is also used for food.
この工場では大豆の製油を行っている。
This factory carries out soybean oil extraction.