Commercial truck drivers operate tractor-trailer trucks to transport products all across the country. They haul long distances, often across state lines, to deliver their products.

Electro-mechanical technicians operate automated and robotic equipment. They use both electrical and mechanical expertise to maintain and repair the manufacturing equipment, typically found in a factory setting.

Machinists create their own parts and tools from raw materials. The parts and tools they create with their machines eventually go toward building larger things.

HVACR technicians install, maintain and repair the heating, ventilation, air-conditioning and refrigeration systems in buildings. These machines control the temperature and air quality in homes and businesses.

Diesel technicians inspect, maintain, repair and care for diesel engines. Some diesel technicians specialize in a specific type of vehicle. When commercial transportation has malfunctioned, they diagnose the problems and find solutions.

CNC (Computer Numerical Control) operators use computer-programmed machines to manufacture precision parts for a variety of different products. The machines drill, cut and shape the raw materials into metal and plastic parts.

Welders fuse and cut metal materials. They can work in several different industries, so welders might build structures or repair existing infrastructure.

Medical assistants perform an array of supportive tasks in a range of healthcare settings, including clinics, hospitals and medical offices. The duties of a medical assistant can be administrative, clinical or a mixture of both, depending on the needs of their workplace.