The industrial process of converting crude oil into petroleum and other useful products.
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Oil-refining Sentence Examples
The principal industries include paper-making, brewing, the making of nets and twine, bricks, tiles and pottery, tanning and oil-refining, besides saltworks and seed-crushing works.
Its industries include tanning, leather-dressing and shoe-making, silk-spinning, hat-making, absinthe-distilling and oil-refining.
There is no universal method of oil-refining applicable to any and every oil or fat.