||Farmworkers, Farm, Ranch, and Aquacultural Animals
- Feed and water livestock and monitor food and water supplies.
- Herd livestock to pastures for grazing or to scales, trucks, or other enclosures.
- Clean stalls, pens, and equipment, using disinfectant solutions, brushes, shovels, water hoses, or pumps.
- Shift animals between grazing areas to ensure that they have sufficient access to food.
- Protect herds from predators, using trained dogs.
- Groom, clip, trim, or castrate animals, dock ears and tails, or shear coats to collect hair.
- Spray livestock with disinfectants and insecticides, or dip or bathe animals.
- Milk animals such as cows and goats, by hand or using milking machines.
- Feed and water animals according to schedules and feeding instructions.
- Exercise animals to maintain their physical and mental health.
- Perform animal grooming duties, such as washing, brushing, clipping, and trimming coats, cutting nails, and cleaning ears.
- Find homes for stray or unwanted animals.
- Transfer animals between enclosures to facilitate breeding, birthing, shipping, or rearrangement of exhibits.
||Septic Tank Servicers and Sewer Pipe Cleaners
- Operate sewer cleaning equipment, including power rodders, high-velocity water jets, sewer flushers, bucket machines, wayne balls, and vac-alls.
- Clean and repair septic tanks, sewer lines, or related structures such as manholes, culverts, and catch basins.
- Clean and disinfect domestic basements and other areas flooded by sewer stoppages.
- Start machines to feed revolving cables or rods into openings, stopping machines and changing knives to conform to pipe sizes.
||Helpers--Pipelayers, Plumbers, Pipefitters, and Steamfitters
- Clean shop, work area, and machines, using solvent and rags.
- Immerse pipe in chemical solution to remove dirt, oil, and scale.
- Clean and renew steam traps.
||Rail-Track Laying and Maintenance Equipment Operators
- Clean tracks or clear ice or snow from tracks or switch boxes.
- Clean or make minor repairs to machines or equipment.