-Welding areas must be screened to avoid rain, dust and affect other areas.-The welding area must be equipped with a portable fire extinguisher placed at the appropriate location to ensure a safe fire prevention.-The welder must have protective glasses, protective long sleeve shirt, gloves, welding.-Do not weld was conducted outdoors when the weather conditions do not allow dangerous areas and can cause fire and explosion when not yet protected, can affect the quality of the weld.-When using the wind blast rock to holes need to bottle wind upright stone or to have the car to wind rock.-If to wind rock outdoors should have screened the top bottle to avoid direct heat so that blasting out day-When using the wind stone should have fire extinguishers to the side.
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