||Welders, Cutters, and Welder Fitters
- Weld components in flat, vertical, or overhead positions.
- Recognize, set up, and operate hand and power tools common to the welding trade, such as shielded metal arc and gas metal arc welding equipment.
- Weld separately or in combination, using aluminum, stainless steel, cast iron, and other alloys.
- Clamp, hold, tack-weld, heat-bend, grind or bolt component parts to obtain required configurations and positions for welding.
- Select and install torches, torch tips, filler rods, and flux, according to welding chart specifications or types and thicknesses of metals.
- Ignite torches or start power supplies and strike arcs by touching electrodes to metals being welded, completing electrical circuits.
- Operate manual or semi-automatic welding equipment to fuse metal segments, using processes such as gas tungsten arc, gas metal arc, flux-cored arc, plasma arc, shielded metal arc, resistance welding, and submerged arc welding.
- Guide and direct flames or electrodes on or across workpieces to straighten, bend, melt, or build up metal.
- Join parts such as beams and steel reinforcing rods in buildings, bridges, and highways, bolting and riveting as necessary.
||Musical Instrument Repairers and Tuners
- Repair or replace musical instrument parts and components, such as strings, bridges, felts, and keys, using hand and power tools.
- Repair cracks in wood or metal instruments, using pinning wire, lathes, fillers, clamps, or soldering irons.
- Shape old parts and replacement parts to improve tone or intonation, using hand tools, lathes, or soldering irons.
- Solder or weld frames of mallet instruments and metal drum parts.
- Repair breaks in percussion instruments, such as drums and cymbals, using drill presses, power saws, glue, clamps, grinding wheels, or other hand tools.
||Mobile Heavy Equipment Mechanics, Except Engines
- Repair and replace damaged or worn parts.
- Overhaul and test machines or equipment to ensure operating efficiency.
- Adjust, maintain, and repair or replace subassemblies, such as transmissions and crawler heads, using hand tools, jacks, and cranes.
- Weld or solder broken parts and structural members, using electric or gas welders and soldering tools.
- Fit bearings to adjust, repair, or overhaul mobile mechanical, hydraulic, and pneumatic equipment.
||Welding, Soldering, and Brazing Machine Setters, Operators, and Tenders
- Set up, operate, or tend welding machines that join or bond components to fabricate metal products or assemblies.
- Correct problems by adjusting controls or by stopping machines and opening holding devices.
- Tend auxiliary equipment used in welding processes.
- Start, monitor, and adjust robotic welding production lines.
||Automotive Master Mechanics
- Repair radiator leaks.
- Repair and service air conditioning, heating, engine cooling, and electrical systems.
- Overhaul or replace carburetors, blowers, generators, distributors, starters, and pumps.
||Aircraft Mechanics and Service Technicians
- Maintain, repair, and rebuild aircraft structures, functional components, and parts, such as wings and fuselage, rigging, hydraulic units, oxygen systems, fuel systems, electrical systems, gaskets, or seals.
- Replace or repair worn, defective, or damaged components, using hand tools, gauges, and testing equipment.
- Remove, inspect, repair, and install in-flight refueling stores and external fuel tanks.
- Assemble machines, and bolt, weld, rivet, or otherwise fasten them to foundation or other structures, using hand tools and power tools.
- Weld, repair, and fabricate equipment or machinery.
||Industrial Machinery Mechanics
- Repair or replace broken or malfunctioning components of machinery or equipment.
- Cut and weld metal to repair broken metal parts, fabricate new parts, or assemble new equipment.
||Structural Metal Fabricators and Fitters
- Position, align, fit, and weld parts to form complete units or subunits, following blueprints and layout specifications, and using jigs, welding torches, and hand tools.
- Tack-weld fitted parts together.
||Heating and Air Conditioning Mechanics and Installers
- Repair or replace defective equipment, components, or wiring.
- Repair or service heating, ventilating, and air conditioning (HVAC) systems to improve efficiency, such as by changing filters, cleaning ducts, or refilling non-toxic refrigerants.
- Hammer out dents and bends in frames and weld tears and breaks.
||Automotive Specialty Technicians
- Install or repair air conditioners and service components, such as compressors, condensers, and controls.
||Control and Valve Installers and Repairers, Except Mechanical Door
- Disassemble and repair mechanical control devices or valves, such as regulators, thermostats, or hydrants, using power tools, hand tools, and cutting torches.
||Refrigeration Mechanics and Installers
- Perform mechanical overhauls and refrigerant reclaiming.
||Locksmiths and Safe Repairers
- Disassemble mechanical or electrical locking devices, and repair or replace worn tumblers, springs, and other parts, using hand tools.
||Motorboat Mechanics and Service Technicians
- Repair or rework parts, using machine tools such as lathes, mills, drills, or grinders.
||Outdoor Power Equipment and Other Small Engine Mechanics
- Repair or replace defective parts such as magnetos, water pumps, gears, pistons, and carburetors, using hand tools.
||Medical Appliance Technicians
- Drill and tap holes for rivets and glue, weld, bolt, or rivet parts together to form prosthetic or orthotic devices.
||Tool Grinders, Filers, and Sharpeners
- Attach workpieces to grinding machines and form specified sections and repair cracks, using welding or brazing equipment.
||Coin, Vending, and Amusement Machine Servicers and Repairers
- Adjust and repair coin, vending, or amusement machines and meters and replace defective mechanical and electrical parts, using hand tools, soldering irons, and diagrams.