Lay out, cut, and place segmental paving units. Includes installers of bedding and restraining materials for the paving units.

Maintain highways, municipal and rural roads, airport runways, and rights of way. Their duties include patching broken or eroded pavement, repairing guard rails, highway markers, and snow fences. They also mow or clear brush from along road or plow snow from roadway.

Erect and repair fences and fence gates, using hand and power tools.

Help roofers by performing duties requiring less skill. Their duties include using, supplying or holding materials or tools, and cleaning work area and equipment.

Help plumbers, pipefitters, steamfitters, or pipelayers by performing duties requiring less skill. Their duties include using, supplying or holding materials or tools, and cleaning work area and equipment.

Help painters, paperhangers, plasterers, or stucco masons by performing duties requiring less skill. Their duties include using, supplying or holding materials or tools, and cleaning work area and equipment.

Help electricians by performing duties requiring less skill. Their duties include using, supplying or holding materials or tools, and cleaning work area and equipment.

Help carpenters by performing duties requiring less skill. Their duties include using, supplying or holding materials or tools, and cleaning work area and equipment.

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.

Assemble, install, or maintain solar photovoltaic (pv) systems on roofs or other structures in compliance with site assessment and schematics. They include measuring, cutting, assembling, and bolting structural framing and solar modules. They perform minor electrical work such as current checks.