Inzuzo:
1. Isiphuzo samanzi ezingulube esizisebenzelayo esinensimbi engagqwali siwumklamo wokuthi izingulube ziphuze zihlanzekile.
2. Umphuzi wezingono zensimbi engagqwali unesiqu, ingulube inyakaza ngokuluma ukuze ikhiphe amanzi.
3. Insimbi engagqwali, i-anti-corrosion futhi ihlala isikhathi eside, ihlinzeka ngamanzi ahlanzekile.
4. Uma ingulube isusa umlomo wayo, isiqu sibuyela endaweni evaliwe.
5. Isebenza kahle kakhulu, yonga isikhathi futhi yonge amanzi ngaphandle kokuvuza kwamanzi.
6. Isihlungi sepulasitiki esilungisekayo kulula ukushintsha izinhlelo zamanzi ezicindezelayo kanye nezinhlelo zamanzi ezicindezelayo.