Umdweshu ophekiwe

Kufakwe amagalaniamakhoyili i-pickling yensimbi evamile, ama-galvanized, ukupakishwa nezinye izinqubo zokucubungula, ngenxa yokumelana nokugqwala okuhle, isetshenziswa kabanzi.Ikakhulukazi esetshenziselwa ukukhiqizwa kokucubungula okubandayo, futhi ayisekho izinto zensimbi eziphekiwe.Isibonelo: insimbi yensimbi elula, ikholomu yepentshisi ye-guardrail, ithangi lamanzi, isivalo esigoqayo, ibhuloho neminye imikhiqizo yensimbi.