Aerospace Engineers Agricultural Engineers Biomedical Engineers Chemical Engineers Civil Engineers Computer Hardware Engineers Electrical Engineers Health and Safety Engineers, Except Mining Safety Engineers and Inspectors Industrial Safety and Health Engineers Product Safety Engineers Industrial Engineers Marine Engineers and Naval Architects Materials Engineers Mechanical Engineers Nuclear Engineers Petroleum Engineers Electrical and Electronics Drafters Mechanical Drafters Aerospace Engineering and Operations Technicians Civil Engineering Technicians

Electrical and Electronic Engineering Technicians Environmental Engineering Technicians Mechanical Engineering Technicians Food Scientists and Technologists Biologists Microbiologists Biochemists and Biophysicists Astronomers Atmospheric and Space Scientists Chemists Environmental Scientists and Specialists, Including Health Hydrologists Economists Anthropologists and Archeologists Archeologists Biological Technicians Chemical Technicians Nuclear Technicians Camera and Photographic Equipment Repairers Medical Equipment Repairers