10. If you want to link the material or container that is toxic to the body, such as lead, galvanized metal must have a hood or air purifiers fum or wear or provide proper ventilation.
10. If the welding material or container must be toxic, such as lead, zinc-plated metal. You must have a hood or fume. Or wear air filter Or provide for proper ventilation.
10. Case welding material or container that is toxic to the body such as lead, zinc plated metal must have or fume hood Or wear air purifiers. Or to provide adequate ventilation.