Itanki ye-GFS, ekulula ukuyifaka, inokudibanisa ngokungekho mthethweni imimandla eyahlukeneyo yonyango lokuhambisa amanzi amdaka, ukufezekisa ukusebenza kakuhle kwonyango lwelindle, kunye nonxibelelwano lonyango olufanelekileyo.
Itanki yeAeration, yonyango lwelindle yenye yezonxibelelwano ezibalulekileyo.
Itanki lokucacisa, lokucoca amanzi amdaka, iimfuno ezithile zobungakanani ngokokukhetha kwabathengi.
Itanki ye-GFS, inokwahlulwa-hlulwa ibe yindawo yonyango lwelindle, ilunge ngakumbi kwaye ibhetyebhetye, uyilo oluguquguqukayo.