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.

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.

Repair and replace tires.

Repair only one system or component on a vehicle, such as brakes, suspension, or radiator.

Repair and refinish automotive vehicle bodies and straighten vehicle frames.

Operate machinery to install roof support bolts in underground mine.

Separate blocks of rough dimension stone from quarry mass using jackhammer and wedges.

Operate machinery such as longwall shears, plows, and cutting machines. They cut or channel along the face or seams of coal mines, stone quarries, or other mining surfaces. They facilitate blasting, separating, or removing minerals or materials from mines or from the surface. Includes shale planers.