1. Kulula ukuyiphatha, yomelele kwaye yomelele;Uyilo lomzimba, ukhululekile, kulula ukusebenza, ukuxhathisa okuphantsi, akukho lula ukonakalisa;
2. Umpu wamanzi unokudubula amanzi ngokuqhubekayo ngaphandle kokuphazamiseka;
3. Uluhlu lokutshiza lompu wamanzi: ≥10m, umgca ochanekileyo kunye nokusabalalisa kunokulungelelaniswa ngamandla okuphatha ngesandla;
4. Umthamo: ≥16L;
5. Owona mgama wokucima umlilo (umgama) : 2-3m.