Do not weld near degreasing, cleaning or vaporisation areas. The heat may react with the vapours, producing toxic and irritating gases. Ensure that the metals do not contain impurities such as to create fumes or gas during their fusion.
The cylinder may explode if damaged: Cylinders contain high pressure gas. If damaged, a cylinder may explode. Protect cylinders from excessive heat and mechanical trauma.Install cylinders in a vertical position, blocking them by chaining them to a fixed support, or using a special cylinder holder, in order to avoid falls or bumps. Keep cylinders far from welding areas and any type of electric circuit. Only use authorised cylinders, pressure reducers, tubes and fittings approved for this specific use.