professional welder welds pipe with diameter dn100 for process pipeline oil refinery russia |
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| navigate by keyword : arc argonarc assembly category cleans connection construction control danger diameter dn100 electrode equipment fire flash gas graduate helmet highest hot industry inspection joint joints labor lighting machine man manual melting metal oil order petrochemical pipe pipeline plant process professional refinery russia safety semiautomatic shell slag smoke spark specialist splashes steel technological technology weldability welded welder welding welds wire work worker |
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| Petrochemical plant. A graduate welder of the highest category welds the pipeline and cleans the welded joint from slag and metal splashes. Control of welded joints in manual arc welding |
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