Semiconductor processors are the production workers who manufacture semiconductors in disks of varying sizes, generally eight to twelve inches wide.

Coating, painting, and spraying machine setters, operators, and tenders control the machinery that applies these paints and coatings to a wide range of manufactured products.

Photographic processing machine operators operate various machines, such as mounting presses and motion picture film printing, photographic printing, and film developing machines. Photographic process workers perform more delicate tasks, such as retouching photographic negatives, prints and images to emphasize or correct specific features.

Medical appliance technicians construct, fit, maintain, and repair braces, artificial limbs, joints, arch supports, and other surgical and medical appliances. They read prescriptions or detailed information from orthotists, podiatrists, or prosthetists.

Inspectors, testers, sorters, samplers, and weighers ensure that your food will not make you sick, that your car will run properly, and that your pants will not split the first time you wear them.

Jewelers and precious stone and metal workers use a variety of common and specialized handtools and equipment to design and manufacture new pieces of jewelry; cut, set, and polish gem stones; repair or adjust rings, necklaces, bracelets, earrings, and other jewelry; and appraise jewelry, precious metals, and gems.

Water treatment plant and system operators treat water so that it is safe to drink. Liquid waste treatment plant and system operators, also known as wastewater treatment plant and system operators, remove harmful pollutants from domestic and industrial liquid waste so that it is safe to return to the environment.

Stationary engineers and boiler operators operate and maintain these systems, which include boilers, air-conditioning and refrigeration equipment, diesel engines, turbines, generators, pumps, condensers, and compressors.

Power plant operators control the machinery that generates electricity. Power plant distributors and dispatchers control the flow of electricity from the power plant, over a network of transmission lines, to industrial plants and substations, and, finally, over distribution lines to residential users.

semblers and fabricators play an important role in the manufacturing process. They are responsible for putting together finished and semifinished goods, assembling the pieces of components of a product and then joining the components into a whole product.