Arc flash is a sudden release of electrical energy that can reach temperatures four times hotter than the sun's surface, causing severe burns, hearing loss, and death. Workers stay protected through proper training, personal protective equipment (PPE), lockout/tagout procedures, and regular hazard assessments that follow OSHA and NFPA 70E standards.

Quick answer: Manual handling means lifting, carrying, pushing, pulling, or moving loads by hand or bodily force. Poor technique causes back injuries, strains, and long-term musculoskeletal disorders. Workers stay safe by assessing loads before lifting, using correct body mechanics, applying mechanical aids where possible, and following OSHA guidance and employer training programs.

Quick answer: Power tool safety means using electric, pneumatic, and battery-powered tools in ways that prevent cuts, electric shock, and eye injuries. Workers stay safe by inspecting tools before use, wearing the right protective equipment, keeping guards in place, handling tools correctly, and following manufacturer instructions and OSHA guidance.