ir.unikl.edu.myir.unikl.edu.my/jspui/bitstream/123456789/5683/1/Welding...Why is it necessary to...
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ir.unikl.edu.myir.unikl.edu.my/jspui/bitstream/123456789/5683/1/Welding...Why is it necessary to carry out a welder qualification test? A. To ensure that the welder can weld B. To