When welding, it's crucial to prioritize safety by using appropriate personal protective equipment (PPE) and ensuring adequate ventilation 14, 16, 17, 18. This includes wearing welder's gloves, protective goggles, and substantial clothing to prevent injury from radiation and sparks 14, 18. Respiratory protection, such as air-supplied or air-purifying respirators, should be used if exposure limits for fumes, gases, and other by-products of welding are exceeded 14, 18. Proper ventilation is essential to prevent oxygen deficiency and keep hazardous fumes and gases below applicable exposure limits 16, 17.