Powerline technicians construct, maintain and repair overhead and underground electrical power transmission and distribution systems.

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Auto body technicians repair and replace damaged motor vehicle structures and body parts, and interior and exterior finishes.

Biotechnologists apply their knowledge of biochemistry, microbiology, and molecular genetics to improve industrial processes. They develop new processes in the agricultural, chemical, environmental, and health care product industries. For example, they could work in the production of drugs, such as antibiotics or vaccines, or in monitoring biological factors in the environment.

Bricklayers prepare and lay brick and other masonry units to construct and repair structures such as walls, partitions, patios, arches, fireplaces and chimneys.

Floorcovering installers install, repair and replace carpet and resilient floorcovering materials such as underlayment, carpet, sheet goods (vinyl and linoleum for example), prefinished hardwood and tile in commercial, residential and industrial buildings. They also may install wall coverings made of carpet or vinyl.

Gas utility operators install and service gas utility pipeline systems that transport natural gas from its source to points of use such as building meter sets.

Pharmacologists are biomedical scientists who research the mechanisms underlying the effects of drugs and chemicals on living systems. They use this knowledge to help design and evaluate drugs to prevent and treat disease.