Work in nursery facilities or at customer location planting, cultivating, harvesting, and transplanting trees, shrubs, or plants.

Grade, sort, or classify unprocessed food and other agricultural products by size, weight, color, or condition.

Select and breed animals according to their genealogy, characteristics, and offspring. They require knowledge of artificial insemination techniques and equipment use. They involve keeping records on heats, birth intervals, or pedigree.

Inspect agricultural commodities, processing equipment, and facilities, and fish and logging operations, to ensure compliance with regulations and laws governing health, quality, and safety.

Directly supervise and coordinate activities of agricultural crop or horticultural workers.

Directly supervise and coordinate activities of aquacultural workers.

Directly supervise and coordinate activities of logging workers.

Prepare incoming and outgoing mail for distribution. They use hand or mail handling machines to time stamp, open, read, sort, and route incoming mail; and address, seal, stamp, fold, stuff, and affix postage to outgoing mail or packages. Their duties may also include keeping necessary records and completed forms.

Monitor and control electronic computer and peripheral electronic data processing equipment to process business, scientific, engineering, and other data according to operating instructions. They monitor and respond to operating and error messages. They enter commands at a computer terminal and set controls on computer and peripheral devices.

Prepare incoming and outgoing mail for distribution. They examine, sort, and route mail. They load, operate, and occasionally adjust and repair mail processing, sorting and canceling machinery. They keep records of shipments, pouches and sacks and other duties related to mail handling within the postal service.