Construct, erect, install, and repair structures and fixtures of wood, plywood, and wallboard, using carpenter's hand tools and power tools.

Build stone structures, such as piers, walls, and abutments. They lay walks, curbstones, or special types of masonry for vats, tanks, and floors.

Lay and bind building materials, such as brick, structural tile, concrete block, cinder block, glass block, and terra cotta block, with mortar and other substances to construct or repair walls, partitions, arches, sewers, and other structures.

Direct work crews installing residential or commercial solar photovoltaic or thermal systems.

Directly supervise and coordinate activities of construction or extraction workers.

Work under supervision to perform manual labor necessary to develop, maintain, or protect areas such as forests, forested areas, woodlands, wetlands, and rangelands through such activities as raising and transporting seedlings; combating insects, pests, and diseases harmful to plant life; and building structures to control water, erosion, and leaching of soil.

Use hand tools to plant, cultivate, and harvest vegetables, fruits, nuts and field crops. Their duties may include tilling soil and applying fertilizers; transplanting, weeding, thinning, or pruning crops; applying pesticides; cleaning, packing, and loading harvested products. They construct trellises, repair fences and farm buildings, or participate in irrigation activities.

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

Directly supervise and coordinate activities of animal husbandry or animal care workers.

Receive, store, and issue materials, equipment, and other items from stockroom, warehouse, or storage yard. They keep records and compile stock reports.