Diagnose, adjust, repair, or overhaul aircraft engines and assemblies, such as hydraulic and pneumatic systems.

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Repair and refinish automotive vehicle bodies and straighten vehicle frames.

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Replace or repair broken windshields and window glass in motor vehicles.

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Repair automobiles, trucks, buses, and other vehicles. Master mechanics repair virtually any part on the vehicle or specialize in the transmission system.

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Diagnose, adjust, repair, or overhaul automotive vehicles.

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

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Install, inspect, test, adjust, or repair avionics equipment, such as radar, radio, navigation, and missile control systems in aircraft or space vehicles.

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Repair and service bicycles.

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Diagnose, adjust, repair, or overhaul trucks, buses, and all types of diesel engines. Includes mechanics working primarily with automobile diesel engines.

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

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

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

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Repair, maintain, or install computers, word processing systems, automated teller machines, and electronic office machines, such as duplicating and fax machines.

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Install, repair, and maintain mechanical regulating and controlling devices, such as electric meters, gas regulators, thermostats, safety and flow valves, and other mechanical governors.

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Repair, maintain, or install electric motors, wiring, or switches.

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Install, adjust, or maintain mobile electronics communication equipment, including sound, sonar, security, navigation, and surveillance systems on trains, watercraft, or other mobile equipment.

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Repair, test, adjust, or install electronic equipment, such as industrial controls, transmitters, and antennas.

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Inspect, test, repair, or maintain electrical equipment in generating stations, substations, and in-service relays.

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Install or repair cables or wires used in electrical power or distribution systems. May erect poles and light or heavy duty transmission towers.

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Install, diagnose, or repair communications, sound, security, or navigation equipment in motor vehicles.

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Repair, adjust, or install audio or television receivers, stereo systems, camcorders, video systems, or other electronic home entertainment equipment.

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Repair tears, holes, and other defects in fabrics, such as draperies, linens, parachutes, and tents.

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Diagnose, adjust, repair, or overhaul farm machinery and vehicles, such as tractors, harvesters, dairy equipment, and irrigation systems.

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Supervise and coordinate the activities of mechanics, installers, and repairers.

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Install, service, and repair heating and air conditioning systems in residences and commercial establishments.

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Install or repair heating, central air conditioning, or refrigeration systems, including oil burners, hot-air furnaces, and heating stoves.

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Help installation, maintenance, and repair workers in maintenance, parts replacement, and repair of vehicles, industrial machinery, and electrical and electronic equipment. 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.

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Repair, adjust, or install all types of electric or gas household appliances, such as refrigerators, washers, dryers, and ovens.

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Repair, install, adjust, or maintain industrial production and processing machinery or refinery and pipeline distribution systems.

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All mechanical, installation, and repair workers and helpers not listed separately.

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Repair and open locks; make keys; change locks and safe combinations; and install and repair safes.

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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. Duties may involve pipe fitting; boiler making; insulating; welding; machining; carpentry; repairing electrical or mechanical equipment; installing, aligning, and balancing new equipment; and repairing buildings, floors, or stairs.

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Lubricate machinery, change parts, or perform other routine machinery maintenance.

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Move or install mobile homes or prefabricated buildings.

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Install, service, or repair opening and closing mechanisms of automatic doors and hydraulic door closers. Includes garage door mechanics.

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Test, adjust, or repair biomedical or electromedical equipment.

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Install, dismantle, or move machinery and heavy equipment according to layout plans, blueprints, or other drawings.

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Diagnose, adjust, repair, or overhaul mobile mechanical, hydraulic, and pneumatic equipment, such as cranes, bulldozers, graders, and conveyors, used in construction, logging, and surface mining.

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Repairs and adjusts electrical and mechanical equipment of gasoline or diesel powered inboard or inboard-outboard boat engines.

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Diagnose, adjust, repair, or overhaul motorcycles, scooters, mopeds, dirt bikes, or similar motorized vehicles.

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

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Diagnose, adjust, repair, or overhaul small engines used to power lawn mowers, chain saws, and related equipment.

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All precision instrument and equipment repairers not listed separately.

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Test or repair mobile or stationary radio transmitting and receiving equipment and two-way radio communications systems used in ship-to-shore communications and found in service and emergency vehicles.

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Diagnose, adjust, repair, or overhaul railroad rolling stock, mine cars, or mass transit rail cars.

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Diagnose, inspect, adjust, repair, or overhaul recreational vehicles including travel trailers. May specialize in maintaining gas, electrical, hydraulic, plumbing, or chassis/towing systems as well as repairing generators, appliances, and interior components.

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Build or repair furnaces, kilns, cupolas, boilers, converters, ladles, soaking pits, ovens, etc., using refractory materials.

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Install and repair industrial and commercial refrigerating systems.

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Set up or repair rigging for construction projects, manufacturing plants, logging yards, ships and shipyards, or for the entertainment industry.

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Install, program, maintain, and repair security and fire alarm wiring and equipment. Ensure that work is in accordance with relevant codes.

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Install, inspect, test, maintain, or repair electric gate crossings, signals, signal equipment, track switches, section lines, or intercommunications systems within a railroad system.

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Set-up, rearrange, or remove switching and dialing equipment used in central offices. Service or repair telephones and other communication equipment on customers' property. May install equipment in new locations or install wiring and telephone jacks in buildings under construction.

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String and repair telephone and television cable, including fiber optics and other equipment for transmitting messages or television programming.

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Repair and replace tires.

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Repair, clean, and adjust mechanisms of timing instruments, such as watches and clocks.

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