Tanka ea GFS, e bonolo ho e kenya, e ka kopanya libaka tse fapaneng tsa kalafo ea likhoerekhoere, ho fihlela kalafo e ntle ea likhoerekhoere, le khokahano ea kalafo e loketse.
Tanka ea Aeration, bakeng sa kalafo ea likhoerekhoere, ke e 'ngoe ea likhokahano tsa bohlokoa.
Clarifier tank, bakeng sa kalafo ea metsi a litšila, litlhoko tse itseng tsa boholo ho latela khetho ea bareki.
Tanka ea GFS, e ka aroloa ka libaka tsa kalafo ea likhoerekhoere, e bonolo ebile e fetoha le maemo, ebile e fetoha habonolo.