1) The document identifies hazards associated with hot work activities like welding, grinding, and gas cutting. Hazards include eye irritation, lung diseases, electrocution, fires, and burns. 2) It provides a hazard identification and risk assessment of welding and grinding activities, listing potential hazards, consequences, and control measures to reduce risks. Control measures include using proper personal protective equipment and preventing combustible materials near work areas. 3) The document details risk control procedures for welding, grinding, and gas cutting work, such as allowing only trained operators, inspecting equipment, using protective equipment, and removing flammable materials from work areas. It aims to prevent injuries and protect health when conducting hot work.