GFS tangi, iri nyore kuisa, inogona kusanganisa nzvimbo dzakasiyana dzekurapa tsvina, kuti ibudirire kurapwa kweseji, uye kurapwa kwakakodzera.
Aeration tank, yekurapa tsvina, ndechimwe chezvakakosha zvinongedzo.
Clarifier tank, yekurapa kwemvura marara, chaiyo saizi zvinodiwa maererano nesarudzo yevatengi.
GFS tangi, inogona kuve yakakamurwa kuita nzvimbo dzekuchenesa tsvina, inowedzera nyore uye inochinjika, inogadziriswa dhizaini.