Set up, operate, or watch over machines to coat or paint any of a wide variety of products, including glassware, cloth, ceramics, metal, plastic, paper, or wood, with lacquer, silver, copper, rubber, varnish, enamel, oil, or rust proof materials.

Operate or watch over machines to prepare industrial or consumer products for storage or shipment. Includes cannery workers who pack food products.

Cut, grind, and polish eyeglasses, contact lenses, or other precision optical elements. They assemble and mount lenses into frames or process other optical elements. Includes precision lens polishers or grinders, centerer edgers, and lens mounters.

Operate or watch over heavyduty heating equipment. Includes activities, such as annealing glass, drying lumber, curing rubber, removing moisture or soap from the materials.

Set up, operate, or watch over machines, such as glass forming machines, plodder machines, and tuber machines. They shape and form products, such as glassware, food, rubber, soap, brick, tile, clay, wax, tobacco, or cosmetics.

Set up, operate, or watch over machines that cut or slice materials, such as glass, stone, cork, rubber, tobacco, food, paper, or insulating material.

Set up, operate, or watch over machines to mix or blend materials, such as chemicals, tobacco, liquids, color pigments, or explosive ingredients.

Grind, sand, or polish, using hand tools or hand held power tools, a variety of metal, wood, stone, clay, plastic, or glass objects. Includes chippers, buffers, and finishers.

Set up, operate, or watch over machines to crush, grind, or polish materials, such as coal, glass, grain, stone, food, or rubber.

Set up, operate, or watch over continuous flow or vat type equipment; filter presses; shaker screens; centrifuges; condenser tubes; precipitating, fermenting, or evaporating tanks; scrubbing towers; or batch stills. These machines extract, sort, or separate liquids, gases, or solids from other materials to recover a refined product. Includes dairy processing equipment operators.