This safety lesson covers the importance of personal protective equipment (PPE) for HVAC workers. It explains the different types of PPE needed, including gloves, safety glasses, respirators, and protective clothing. The video highlights the importance of selecting the right PPE for different tasks, inspecting equipment before use, and following OSHA safety guidelines. By wearing proper PPE, HVAC workers can reduce the risk of burns, chemical exposure, and other workplace hazards.