Welding Notes is a free learning platform wherein we discuss the latest welding and piping issues and techniques. × What do you mean by welding? What are the different types of welding? What is the source of heat in the fusion welding process? What do you mean by an electric Arc? What is Arc blow and how to control it? What are Discontinuities in weld ? When was oxy-acetylene gas welding introduced? Welding Notes Find the most essential questions and their answers here. ☰ Questions
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