Salting, drying, dehydrating, smoking, curing, pickling, canning, or quick-freezing fish, shrimps, oysters, clams, crabs, and other sea foods. Also included are the production of fish and sea food soups and specialties; and factory-type vessels engaged in processing fish and sea food only, which can be considered as separate establishments. Icing, salting, filleting of fish catch aboard fishing vessels and factory-type fishing vessels except the aforementioned ships, are classified in group 1301 (Ocean and coastal fishing) or 1302 (Fishing not elsewhere classified), whichever is appropriate.