Perform technical activities at power plants or individual installations necessary for the generation of power from geothermal energy sources. They monitor and control operating activities at geothermal power generation facilities and perform maintenance and repairs as necessary. They install, test, and maintain residential and commercial geothermal heat pumps.
Help installation, maintenance, and repair workers in maintenance, parts replacement, and repair of vehicles, industrial machinery, and electrical and electronic equipment. They perform duties such as furnishing tools, materials, and supplies to other workers; cleaning work area, machines, and tools; and holding materials or tools for other workers.
Install, inspect, test, maintain, or repair electric gate crossings, signals, signal equipment, track switches, section lines, or intercommunications systems within a railroad system.
Set up or repair rigging for construction projects, manufacturing plants, logging yards, ships and shipyards, or for the entertainment industry.
Move or install mobile homes or prefabricated buildings.
Repair and open locks, make keys, change locks and vault combinations and install and repair safes.
Repair tears, holes, and other defects in fabrics, such as draperies, linens, parachutes, and tents.
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.
