Kaha ke setho sa indasteri e jang 70% ea lisebelisoa tsa metsing tsa lefatše, ka sebele u utloisisa bohlokoa ba boleng bo botle le ho tlisa metsi hantle. Etsa hore khoebo ea hau e ea itšetleha ka eona, 'me bophelo bo botle' me hantle {{{}} ho ba batho lefatšeng ka bophara.
Taelo e ntlafatsang e ntlafatsa metsi a litšila tsa masepala le tsa indasteri ka litsamaiso tse felletseng tsa pokello le tsa kalafo, ho kenyelletsa:

Ho hakanngoa hore tlhahiso e makatsang e ikarabella bakeng sa tšilafalo ea metsi lefatšeng ka bophara le indastering ea ho daela.
Mefuta e phahameng ea daes e phahameng ea masela a metsi a tlolela oksijene, thibela khanya ea letsatsi le ho senyeha ha likokoana-hloko ka metsing a metsing.
Re ka phekola libaka tse litšila ka ho fetisisa tsa ho daela le ho fana ka litefiso tse matla tsa ho hlaphoheloa ha lifokoliso tse litšila. Mekhoa ea rona e phethahetseng e kenyelletsa:

Moeeng, bophelo bo botle le kholo ea mefuta ea hau ea metsing e ipapisitse le boleng ba metsi. Lijo tse sa tsejoeng tsa lijo le litšila li lula li etsa hore metsi a tukang a metsi le a seturrophic.
Ho atleha ho u thusa ho fumana limatlafatsi, li lla le metsi a tsoang metsing a litšila. Har'a bona, ho ntlafatsa ts'ebetso ea metsi a ho nchafatsa metsi le ho fokotsa metsi a litšila ke mekhoa e 'meli ea bohlokoa. Ba thusa:

Ha metsi a litšila a senyeho, libaktheria, likokoana-hloko le livaerase le livaerase ho tsona li ka silafatsa metsi a hloekileng le limela tse hloekileng kapa limela. Ehlile, sena se kenyeletsa batho. Thutong ena ea bongaka, ho hlokahala metsi a nooang a hloekileng ho sireletsa bophelo bo botle ba bakuli. Ka hona, lipetlele li tlameha ho netefatsa polokeho ea phepelo ea metsi le ho tšoara metsi a litšila pele e e baka. Re hantle ho phethela mosebetsi ona ka ts'ebetso e latelang:

Ho hlahisa pulp le pampiri ho hloka metsi a mangata. Empa metsi a pampiri a pampiri a na le metsi a phahameng a leoatle a biochemig oksijene (Eksijene ea oksijene ea oksijene ea lik'hemik'hale (cod). Li khona ho senya maqiti a metsing a metsing mme li sokela bophelo ba batho ba lulang haufi le mills, 'me ka linako tse ling ba emise mafu a botsitso.
Leha ho le joalo, metsi a litšila a sebeliloeng a ka sebelisoa hape hape a sebelisoa e le metsi a sebetsang metsing. Ho ba le metsi ho fana ka tharollo e sebetsang bakeng sa sena, ho kenyelletsa:

Boholo ba li-brederies tse ngata li etsa 70% ea metsi a bona a litšila ka kotloloho lefatšeng! Metsoako e litšila e senyehileng e nang le metsi e na le metsoako e phahameng joalo ka tsoekere le li-steches. E ka bokella mobung ebe e baka bolelele ba {{}}}}}}}
Re ka rarolla mathata a metsi a 'nete a hore a ka rekisa tšebetso e sebetsang ka mekhoa ea kalafo e mabapi le serediment, ho tlosa le grit.