High school diploma or equivalent

None

Industrial machinery mechanics and machinery maintenance workers maintain and repair factory equipment and other industrial machinery, such as conveying systems, production machinery, and packaging equipment. Millwrights install, dismantle, repair, reassemble, and move machinery in factories, power plants, and construction sites.

High school diploma or equivalent

None

Heavy vehicle and mobile equipment service technicians, also called mechanics, inspect, maintain, and repair vehicles and machinery used in construction, farming, rail transportation, and other industries.

High school diploma or equivalent

Less than 5 years

Earth Drillers operate a variety of drills such as rotary, churn, and pneumatic to tap subsurface water and salt deposits, to remove core samples during mineral exploration or soil testing, and to facilitate the use of explosives in mining or construction.

High school diploma or equivalent

None

Industrial machinery mechanics and machinery maintenance workers maintain and repair factory equipment and other industrial machinery, such as conveying systems, production machinery, and packaging equipment. Millwrights install, dismantle, repair, reassemble, and move machinery in factories, power plants, and construction sites.

High school diploma or equivalent

None

Machinists set up and operate a variety of computer-controlled and mechanically controlled equipment to produce precision metal parts, instruments, and tools.

High school diploma or equivalent

None

Brickmasons and Blockmasons (or, simply, masons) use bricks and concrete blocks to build fences, walkways, walls, and other structures.

High school diploma or equivalent

None

Welders, Cutters, Solderers, and Brazers use hand-held or remotely controlled equipment to join or cut metal parts. They also fill holes, indentations, or seams in metal products.

No formal educational credential

None

Continuous Mining Machine Operators use self-propelled mining machines that rip coal, metal and nonmetal ores, rock, stone, or sand from the mine face and load it onto conveyors, shuttle cars, or trucks, in a continuous operation.

High school diploma or equivalent

None

Plumbers, Pipefitters, and Steamfitters install and repair piping fixtures and systems.

High school diploma or equivalent

None

Extraction Workers Helpers support extraction craft workers, such as earth drillers, blasters and explosives workers, derrick operators, and mining machine operators, by performing duties requiring less skill. Their duties include supplying equipment and cleaning their work area.

High school diploma or equivalent

Less than 5 years

Electric Motor, Power Tool, and Related Repairers fix, maintain, or install electric motors, wiring, or switches.

High school diploma or equivalent

None

Carpenters construct, repair, and install building frameworks and structures made from wood and other materials.

High school diploma or equivalent

None

Rail-track Laying and Maintenance Equipment Operators install, repair, and maintain track for standard or narrow-gauge railroad equipment used in regular railroad service or in plant yards, quarries, sand and gravel pits, and mines.

High school diploma or equivalent

None

Semiconductor Processing Technicians perform any or all of the following functions in the manufacture of electronic semiconductors: load semiconductor material into furnace; saw formed ingots into segments; load individual segment into crystal growing chamber and monitor controls; locate crystal axis in ingot using x-ray equipment and saw ingots into wafers; and clean, polish, and load wafers into series of special purpose furnaces, chemical baths, and equipment used to form circuitry and change conductive properties.

High school diploma or equivalent

Less than 5 years

Surface Mining Excavating Machine, Loading Machine, and Dragline Operators handle or tend machinery at surface mining sites. They use vehicles and tools equipped with scoops, shovels, or buckets to excavate and load loose materials.

High school diploma or equivalent

None

Chemical Plant and System Operators control or operate entire chemical processes or system of machines.

High school diploma or equivalent

None

Metal and Plastic Extruding and Drawing Machine Setters, Operators, and Tenders set up, operate, or tend machines to extrude or draw thermoplastic or metal materials into tubes, rods, hoses, wire, bars, or structural shapes.

High school diploma or equivalent

None

Computer Numerically Controlled Tool Operators operate computer-controlled tools, machines, or robots to machine or process parts, tools, or other work pieces made of metal, plastic, wood, stone, or other materials. May also set up and maintain equipment.

High school diploma or equivalent

None

Chemical Equipment Operators and Tenders operate or tend equipment to control chemical changes or reactions in the processing of industrial or consumer products. The equipment that they use can include devulcanizers, steam-jacketed kettles, and reactor vessels.

High school diploma or equivalent

None

Synthetic and Glass Fiber Extruding and Forming Machine Setters, Operators, and Tenders set up, operate, or tend machines that extrude and form continuous filaments from synthetic materials, such as liquid polymer, rayon, and fiberglass.

High school diploma or equivalent

None

Metal and Plastic Heat Treating Equipment Setters, Operators, and Tenders set up, operate, or tend heating equipment such as heat-treating furnaces, flame-hardening machines, induction machines, soaking pits, or vacuum equipment to temper, harden, or heat-treat metal or plastic objects.

High school diploma or equivalent

None

Metal Pourers and Casters are metal and plastic machine workers who operate hand-controlled mechanisms to pour and regulate the flow of molten metal into molds to produce castings or ingots.

No formal educational credential

None

Food and Tobacco Roasting, Baking, and Drying Machine Operators and Tenders operate or tend food or tobacco roasting, baking, or drying equipment, including hearth ovens, kiln driers, roasters, char kilns, and vacuum drying equipment.

High school diploma or equivalent

None

Coil Winders, Tapers, and Finishers wind wire coils used in electrical components, such as resistors and transformers, and in electrical equipment and instruments like field cores, bobbins, electrical motors, generators, and control equipment.

High school diploma or equivalent

None

Metal and Plastic Forging Machine Setters, Operators, and Tenders set up, operate, or tend forging machines to taper, shape, or form metal or plastic parts.