1. Ucoceko, akukho tyhefu, akukho ngcoliso, akukho microorganisms, kunye nesiqinisekiso somgangatho wolwelo.

2. Ukumelana nokubola kweekhemikhali, umhlaba kunye nezilwanyana zaselwandle, ukumelana nokuchithwa kwe-cathodic disbondment

3. Inkqubo yokufakela ikhulile, ilungele, kwaye ikhawuleza, kwaye uxhulumaniso lufana nombhobho oqhelekileyo we-galvanized

4. Ukumelana nemozulu efanelekileyo, ifanelekile kwiindawo ezinzima ezifana neentlango kunye ne-saline-alkali

5. Udonga lombhobho ogudileyo, phucula ukusebenza kakuhle kokuhanjiswa kunye nobomi benkonzo ende