Ventilation requirements for gas-metal-arc welding versus covered-electrode welding.
D000397:Air Pollution / Q000032:analysis*; D002248:Carbon Monoxide / Q000032:analysis; D004566:Electrodes; D004781:Environmental Exposure; D005459:Fluorides / Q000032:analysis; D005740:Gases; D007501:Iron / Q000032:analysis; D008670:Metals; D009585:Nitrogen Dioxide / Q000032:analysis; D010087:Oxides / Q000032:analysis; D010126:Ozone / Q000032:analysis; D014691:Ventilation; D014896:Welding
D005740:Gases; D008670:Metals; D010087:Oxides; D010126:Ozone; D002248:Carbon Monoxide; D007501:Iron; D005459:Fluorides; D009585:Nitrogen Dioxide