Move or install mobile homes or prefabricated buildings.

Work below surface of water, using scuba gear to inspect, repair, remove, or install equipment and structures. They use a variety of power and hand tools, such as drills, sledgehammers, torches, and welding equipment. They conduct tests or experiments, rig explosives, or photograph structures or marine life.

Install, service, adjust, or repair coin, vending, or amusement machines including video games, juke boxes, pinball machines, or slot machines.

Inspect, diagnose, adjust, or repair wind turbines. They perform maintenance on wind turbine equipment including resolving electrical, mechanical, and hydraulic malfunctions.

Perform work involving the skills of two or more maintenance or craft occupations to keep machines, mechanical equipment, or the structure of an establishment in repair. Their duties iclude pipe fitting; boiler making; insulating; welding; machining; carpentry; repairing electrical or mechanical equipment; installing new equipment; and repairing buildings, floors, or stairs.

Repair, clean, and adjust mechanisms of timing instruments, such as watches and clocks. Includes watchmakers, watch technicians, and mechanical timepiece repairers.

Repair percussion, stringed, reed, or wind instruments. They specialize in one area, such as piano tuning.

Test, adjust, or repair biomedical or electromedical equipment.

Repair and adjust cameras and photographic equipment, including commercial video and motion picture camera equipment.

Install and repair telecommunications cable, including fiber optics.