In nearly any type of physical job, you’ll find that some functions of the job require personal protective equipment (PPE). From a cut glove that protects a sheet metal worker’s hands to a highly insulated arc flash suit that protects electricians from electrical explosions, PPE is everywhere, and going without it is never a good idea. So, how can you make sure that you’ve got the right PPE for your occupation? The first step is educating yourself: What are the seven types of PPE, exactly? Here’s a quick guide to understanding which kinds of equipment fall into each category, and who typically uses each one.