| A | B |
| air supply respirator | hood with a clear visor and external air supply hose |
| EPA | Environmental Protection Agency |
| carbon dioxide | an invisible, oderless gas that can kill you made by cars and trucks |
| dust respirator | paper filter that fits over the nose and mouth to block small airborne particles |
| cartridge filter respirator | protects against vapors and spray mists given off by one part enamel or lacquers |
| floor jack | tool that uses a saddle to raise the front, sides, or rear of a vehicle |
| full face shield | used during dangerous operations to protect the face from deep lacerations and scars |
| goggles | device with colored or clear lenses that protects eyes from radiation during welding and cutting operations |
| hazardous waste | solid or liquid determined by the EPA to harm people and the environment |
| jack stands | used to support the vehicle when working under it |
| MSDS | material safety data sheets |
| NIOSH | National Institute of Occupational Safety and Health |
| OSHA | Occupational Safety and Health Association |
| pathogens | microorganisms that can cause illness and disease |
| respirator fit test | a way to test a respirator for air leaks |
| toxic | material that can cause injury or adverse effects due to over exposure to a material |
| welding respirator | has special cartridge inserts designed to trap welding fumes |
| asphyxiation | something that can stop normal breathing |