Lead burning
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Lead burning is a welding process used to join lead sheet. It is a manual process carried out by gas welding, usually oxy-acetylene.
Lead rainwater goods, formed by casting and lead burning
Welding
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Welding is a fabrication process that joins materials, usually metals or thermoplastics, primarily by using high temperatures to melt the parts together and allow them to cool, causing fusion. Common
Overhead stick welding
Arc welding metal plates
The iron pillar of Delhi, India
Acetylene welding on a cylinder water jacket, US Army 1918