viewimageM.php?id=employment&no=29bcc427b48477a16fb3dab004c86b6f904380963aa56dc992087e39a11b0f459831d6158da3613124e97ec1919169f27ab12e124a7a54c55f283f1d1e9f3d39f808198fb101693ada41e41b95f3

- arc welding

     sheid metal arc welding 피복용접 : flux 사용
     submerged arc welding
     co2 gas shieded arc welding
     inert arc welding

- electroslag welding
  
  이거 외에도 여러가지 종류가 있다능...