1. Ihlanzekile, ayinabo ubuthi, akukho ukungcola, akukho zinambuzane, kanye nesiqinisekiso sekhwalithi yoketshezi

2. Imelana nokugqwala kwamakhemikhali, ukugqwala kwenhlabathi kanye nezilwane zasolwandle, ukumelana ne-cathodic disbondment

3. Inqubo yokufaka ivuthiwe, ifanelekile, futhi iyashesha, futhi ukuxhuma kufana nepayipi elivamile lama-galvanized

4. Ukumelana nesimo sezulu esihle, kufanelekile ezindaweni ezinokhahlo njengezingwadule kanye ne-saline-alkali

5. Udonga lwamapayipi abushelelezi, luthuthukisa ukusebenza kahle kokudlulisa kanye nempilo ende yesevisi