Nidaamka tuubooyinka. Tuubooyinka galvanized waxaa loo isticmaalaa in lagu qaado biyaha qasabada, biyaha kulul, biyaha qabow, iwm, sida tuubooyinka tuubooyinka ee dareeraha cadaadiska hoose ee guud sida biyaha, gaaska, saliidda, iwm injineernimada dhismaha. Dhinaca dhismaha, tuubooyinka galvanized waxaa loo isticmaali karaa s ...
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