Control and monitor biomass plant activities and perform maintenance as needed.

Operate or control an entire process or system of machines, often through the use of control boards, to transfer or treat water or wastewater.

Set up, operate, or tend machines that extrude and form continuous filaments from synthetic materials, such as liquid polymer, rayon, and fiberglass.

Set up, operate, or tend heating equipment, such as heat-treating furnaces, flame-hardening machines, induction machines, soaking pits, or vacuum equipment to temper, harden, anneal, or heat treat metal or plastic objects.

Sew, join, reinforce, or finish, usually with needle and thread, a variety of manufactured items. Includes weavers and stitchers.

All metal workers and plastic workers not listed separately.

Braze or solder together components to assemble fabricated metal parts, using soldering iron, torch, or welding machine and flux.

Make, repair, or replace upholstery for household furniture or transportation vehicles.

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

Perform precision smoothing, sharpening, polishing, or grinding of metal objects.