The production of crude oil, cake and meal, by crushing or extraction, from oilseeds and nuts; the extraction of fish and other marine animal oils; the rendering of inedible animal oils and fats; and the refining and hydrogenation (or hardening) of oils and fats, except lard and other edible fats from livestock. The manufacture of lard and other edible fats is classified in group 201 (Slaughtering, preparation and preserving of meat) and the production of margarine, compound cooking fats and blended table or salad oils is classified in group 209 (Manufacture of miscellaneous food preparations).