professional welder welds pipe with diameter dn50 for process pipeline oil refinery russia

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A professional welder process pipeline to an oil refinery in Russia Royalty Free Stock Photo
A professional welder welds a pipe with a diameter of DN50 for a process pipeline to an oil refinery in Russia Royalty Free Stock Photo
   
   
   
   
   
A professional welder welds a pipe with a diameter of DN50 for a process pipeline to an oil refinery in Russia
   
   
   
   
   
   
   
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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