Ithangi le-GFS, okulula ukuyifaka, lingahlanganisa ngandlela-thile izindawo ezahlukahlukene zokuphathwa kwendle, ukufeza umphumela wokwelashwa kwendle osebenza kahle, nesixhumanisi sokwelashwa kufanelekile.
I-Aeration tank, yokwelashwa kwendle, ingesinye sezixhumanisi ezibalulekile.
I-Clarifier tank, yokwelashwa kwamanzi angcolile, izidingo ezithile zosayizi ngokusho kokukhethwa kwamakhasimende.
Ithangi le-GFS, lingahlukaniswa ngezindawo zokuphathwa kwendle, kube lula futhi kuguquguquke, umklamo ovumelana nezimo.