||Hoist and Winch Operators
- Move levers, pedals, and throttles to stop, start, and regulate speeds of hoist or winch drums in response to hand, bell, buzzer, telephone, loud-speaker, or whistle signals, or by observing dial indicators or cable marks.
- Start engines of hoists or winches and use levers and pedals to wind or unwind cable on drums.
- Operate compressed air, diesel, electric, gasoline, or steam-driven hoists or winches to control movement of cableways, cages, derricks, draglines, loaders, railcars, or skips.
- Apply hand or foot brakes and move levers to lock hoists or winches.
- Tend auxiliary equipment, such as jacks, slings, cables, or stop blocks, to facilitate moving items or materials for further processing.
||Laborers and Freight, Stock, and Material Movers, Hand
- Attach slings, hooks, or other devices to lift cargo and guide loads.
- Adjust controls to guide, position, or move equipment, such as cranes, booms, or cameras.
- Guide loads being lifted to prevent swinging.
- Signal or verbally direct workers engaged in hoisting and moving loads to ensure safety of workers and materials.
- Control movement of heavy equipment through narrow openings or confined spaces, using chainfalls, gin poles, gallows frames, and other equipment.
- Manipulate rigging lines, hoists, and pulling gear to move or support materials such as heavy equipment, ships, or theatrical sets.
- Communicate with workers on the surface while underwater, using signal lines or telephones.
- Recover objects by placing rigging around sunken objects, hooking rigging to crane lines, and operating winches, derricks, or cranes to raise objects.
- Salvage wrecked ships or their cargo, using pneumatic power velocity and hydraulic tools and explosive charges, when necessary.
||Service Unit Operators, Oil, Gas, and Mining
- Operate controls that raise derricks or level rigs.
- Thread cables through derrick pulleys, using hand tools.