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.

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.

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.

Computer-aided design (CAD) or computer-aided manufacturing (CAM) drafters take the vision of an architect or engineer and use computer software to create 2D design drawings or 3D simulations to aid in production. Drafters can work in a broad range of fields, so their designs could lead to sleek electronics or towering buildings.

Computer Systems analysts, or Computer Programmers, work on the hardware and networking side of the computer industry. They analyze data processing problems and procedures that allow them to implement and improve existing computer systems and review computer system capabilities, workflow and scheduling limitations.