Laminate layers of fiberglass on molds to form boat decks and hulls, bodies for golf carts, automobiles, or other products.

Wind wire coils used in electrical components, such as resistors and transformers, and in electrical equipment and instruments, such as field cores, bobbins, armature cores, electrical motors, generators, and control equipment.

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

Directly supervise and coordinate the activities of mechanics, installers, and repairers.

Help 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 or cleaning work area.

Assemble or repair oil field equipment using hand and power tools. They perform other tasks as needed.

Place and detonate explosives to demolish structures or to loosen, remove, or displace earth, rock, or other materials. They perform specialized handling, storage, and accounting procedures. Includes seismograph shooters.

Operate equipment to increase oil flow from producing wells or to remove stuck pipe, casing, tools, or other obstructions from drilling wells. They also perform similar services in mining exploration operations. Includes fishing tool technicians.

Identify, remove, pack, transport, or dispose of hazardous materials, including asbestos, lead based paint, waste oil, fuel, transmission fluid, radioactive materials, or contaminated soil. They are generally required specialized training and certification in hazardous materials handling or a confined entry permit. They operate earth moving equipment or trucks.

Help brick, block and stone masons, or tile and marble setters by performing duties requiring less skill. Their duties include using, supplying or holding materials or tools, and cleaning work area and equipment.