Processing, freezing, and curing embrace a variety of operations
that change the form of the ``aquatic forms of animal and vegetable
life.'' They include such operations as filleting, cutting, scaling,
salting, smoking, drying, pickling, curing, freezing, extracting oil,
manufacturing meal or fertilizer, drying seaweed preparatory to the
manufacture of agar, drying and cleaning sponges (Feming v. Hawkeye
Pearl Button Co., 113 F. 2d 52).
