Joalo ka lisebelisoa tsa mantlha tsa ho metha le taolo ea mohloli oa metsi, khetho ea thepa ea methapo ea metsi e ama ka kotloloho ho nepahala ha tekanyo, bophelo ba ts'ebeletso, le maemo a tikoloho. Ka ntlafatso e bohlale ea litsamaiso tsa phepelo ea metsi le maemo a ntseng a phahama a boleng ba metsi, khetho ea mahlale ea lisebelisoa tsa methara ea metsi e se e le taba ea bohlokoa indastering.
Methapo ea khale ea metsi hangata e sebelisa koporo e entsoeng ka tšepe e le sesebelisuoa sa eona sa mantlha, ka lebaka la ho se mame ha eona ho matla le ho sebetsa hantle, ho netefatsa botsitso ba nako e telele-. Leha ho le joalo, boteng bo ka bang teng ba loto ka koporo bo tsositse likhohlano tsa tikoloho, e leng se bakileng lithibelo tšebelisong ea eona linaheng le libakeng tse ling, e leng se ileng sa susumelletsa bahlahisi hore ba fetohele pele{2}}mesebetsi ea mahala ea koporo kapa lisebelisoa tse ling. Lilemong tsa morao tjena, lipolasetiki tsa boenjiniere tse kang ductile iron le nylon e matlafalitsoeng li tumme haholo ho bareki ba limithara ka lebaka la boima ba tsona bo bobebe, ba ho senyehe{4}}'me ha bo khone, 'me bo theko e tlase{5}. Lisebelisoa tsena li ntlafalitse haholo mamello ho metsi a acidic le alkaline, e leng se etsang hore e be tse loketseng ka ho khetheha bakeng sa libaka tsa metsi a tsoakiloeng libakeng tsa mahaeng kapa libakeng tsa indasteri.
Ho phahama ha limithara tse bohlale tsa metsi ho behile litlhoko tse phahameng tsa thepa. Ho tiisa likarolo tsa elektroniki ho hloka-lipolasitiki tsa boenjineri tse thata le lirabara tse kopaneng ho etsa bonnete ba hore{2}}ha ho na metsi le lerole nako e telele. Ka mohlala, polycarbonate e fetotsoeng kapa nylon e matlafalitsoeng ka khalase hangata e sebelisoa bakeng sa linyeoe tsa mithara, ho leka-lekanya matla le ho kenya letsoho. Phallo e ka hare{5}ka likaroloana tse kopanang le metsi li na le ho etsoa ka tšepe e sa hloekang kapa ka ceramic ho thibela tšilafalo ea aone ea tšepe. -limithara tsa metsi tsa mofuta o kolobileng hangata li sebelisa copper alloy overmolding bakeng sa literene tsa tsona, ho netefatsa hore phepelo e nepahetse ha e ntse e fokotsa ho khathala.
Khetho ea thepa e boetse e hloka ho lokisoa ho latela maemo a khethehileng a ho kenya. Bakeng sa limithara tse patiloeng tsa metsi, pH ea mobu e tlameha ho nkoa, 'me liphahlo tsa epoxy resin hangata li kenngoa bakeng sa tšireletso ea ka ntle. Bakeng sa libaka tse phahameng- tsa mocheso, ho hlokahala botsitso ba mocheso ho thibela katoloso le ho senyeha ho ka bakang ho se sebetse ha tiiso. Ka bobeli maemo a machaba a ISO 4064 le a naha a GB/T 778 a hlalosa ka ho hlaka ho tšoarella ha thepa ea mithara ea metsi, e hlokang hore li lule li lokolohile ka mokhoa bonyane lilemo tse hlano tlas'a khatello e boletsoeng le maemo a boleng ba metsi.
Nakong e tlang, ka nts'etsopele ea mahlale a macha, lisebelisoa tse bobebe, tse thibelang likokoana-hloko, le tse thibelang{0}}lisebelisuoa tse thibelang litšila li ka ntlafatsa ts'ebetso ea limithara tsa metsi. Indasteri e hloka ho leka-lekana pakeng tsa taolo ea litšenyehelo le ho tšepahala ha nako e telele-. Teko e tloaelehileng e lokela ho sebelisoa ho tseba{4}lisebelisoa tsa boleng bo holimo tse loketseng tikoloho e rarahaneng, ho rala motheo o tiileng bakeng sa nts'etsopele ea tsamaiso e bohlale ea metsi. Tšebeliso ea saense ea lisebelisoa ha e amane feela le sehlahisoa ka boeona, empa hape ke tiiso ea bohlokoa bakeng sa tsamaiso e nepahetseng ea mehloli ea metsi.