 Different types of personal protective equipment are used to protect oneself from potential biological, chemical, and physical hazards. It doesn't work if you are not wearing it. Always wear the proper personal protective equipment, or PPE, for your job work area. Certain areas of the plant require approved safety glasses to protect you from flying product or materials, and hearing protection to protect your long-term hearing. Some areas or jobs require more PPE, such as safety shoes to protect your feet from dropped objects, or goggles and face shields to protect your eyes and face, or special gloves for cleaning and chemical operations.