Spot welding uses electrical current to join metal pieces quickly. Clean metal surface and electrode tips with clean cloth. Secure metal pieces with vice grip pliers. Adjust electrode tongs to fit metal between them
Human factors principles help aviation maintenance workers perform tasks more efficiently and safely. Maintenance workers face unique physical, cognitive, and perceptual limitations. Maintenance errors now cause 20-30% of serious aviation incidents
Over one million forklifts operate worldwide. OSHA reports 34,900 serious injuries and 85 fatal accidents annually. 25% of accidents result from inadequate training. Overturned vehicles are leading cause of forklift fatalities
Only trained personnel should operate and maintain the compressor. Unit must be kept clean and within rated limits. Safety equipment including helmet, gloves and protective clothing is required. Regular maintenance and inspection of gauges and safety devices is necessary
High voltages (tens of thousands) can cause instant death or electrocution. Never touch components inside the unit. Turn off power and ground circuit immediately if victim is shocked. Wear dry cotton gloves and keep one hand in pocket at a time
Sit face down on pad with torso bent at pad split. Place pad on lower leg just above feet. Keep feet neutral with toes directly above heels. Adjust plate to create 90-degree leg angle