Isicelo sokugcina amanzi ngomlilo, ukwakhiwa kwebhizinisi lomlilo, ngokuya ngezidingo zendawo kanye nemininingwane okumele uyikhethe.
Ngokuhambisana ngokuqinile nokuqukethwe yizindinganiso zomhlaba jikelele zokuphepha kokudla ezigoqwe amapuleti ensimbi, izitifiketi ezithile ezitholakele kanye namalungelo obunikazi kungabukwa ekhasini elifanele.
Amathangi e-GFS ahlinzeka ngokugcinwa kwamanzi / uketshezi okuhle kakhulu ezindaweni ezithile ezikhethekile (izindawo zezintaba, iziqhingi, izindawo eziwugwadule).
Kungenziwa ngezifiso ngokuya ngezidingo zamakhasimende, ubukhulu bamathangi, umbala, ibanga lokuzamazama komhlaba, njll.