Control or operate entire chemical processes or system of machines.

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

Operate or maintain stationary engines, boilers, or other mechanical equipment to provide utilities for buildings or industrial processes. They operate equipment, such as steam engines, generators, motors, turbines, and steam boilers.

Control, operate, or maintain machinery to generate electric power. Includes auxiliary equipment operators.

Coordinate, regulate, or distribute electricity or steam.

Operate or control nuclear reactors. They move control rods, start and stop equipment, monitor and adjust controls, and record data in logs. They implement emergency procedures when needed. They respond to abnormalities, determine cause, and recommend corrective action.

Set up, operate, or watch over woodworking machines, such as drill presses, lathes, shapers, routers, sanders, planers, and wood nailing machines. They operate cnc equipment.

Set up, operate, or watch over wood sawing machines. They operate cnc equipment. Includes lead sawyers.

Plan, lay out, and construct wooden or sectional patterns used in forming sand molds for castings.

Construct full size and scale wooden precision models of products. Includes wood jig builders and loft workers.