"flash welding"^^ . . . . "0"^^ . . . "00150379-n"^^ . . "flash welding"@en-us . "flash butt welding"@en-us . . "butt welding by creating an electric arc between the two pieces which melts and joins them; used for joining segments of metal pipe"@en-us . . . "100150379"^^ . "0"^^ . . "100141761"@en-us . "100097598"@en-us .