Explanatory notes
… oil is used chiefly in making paints, varnishes, oil cloth, putty, soft soap, printing inks, alkyd resins or … oil, which was formerly used chiefly in medicine as a purgative, but is now used in industry as a plasticiser in … and in medicines. The poorer grades are used for industrial purposes. (5) Microbial fats and oils , also known as …