Xa kuziwa kwimibhobho yensimbi, i-A252 yeBanga le-3 imibhobho yensimbi ivelele njengokhetho lokuqala kumashishini amaninzi.Olu hlobo lombhobho, okwaziwa ngokuba yi-spiral submerged arc welded pipe (SSAW), i-spiral seam welded pipe, okanye i-API 5L yombhobho womgca, inika uluhlu lweenzuzo ezenza kube lukhetho oludumileyo kwi-variet...
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