PPE stands for Personal Protective Equipment. It refers to equipment worn to minimize exposure to hazards that cause serious workplace injuries and illnesses resulting from physical, electrical, mechanical, chemical, or other workplace hazards. PPE includes protective clothing, helmets, goggles, gloves, vests, respirators, safety shoes, and coveralls. The purpose of PPE is to reduce employee exposure to hazards when engineering controls and administrative controls are not feasible or effective to reduce these risks to acceptable levels. PPE is needed when there are hazards present, and it has the serious limitation that it does not eliminate the hazard at the source and may result in employees being exposed to the hazard if the equipment fails. PPE is used in a range of industries to protect their workforce from occupational hazards, including the construction, mining, chemical, and pharmaceutical industries. Healthcare workers also use PPE to ensure safety during working hours. The WHO has provided technical information on PPE for healthcare workers, and in some countries, PPE is considered a medical device by regulation authorities.