Sebaka sa kopo ea valve ea tšepe e entsoeng ka tšepe e ka aroloa ka likarolo tse 8: Pipe ea phepelo ea metsi a litšila, phala ea phepelo ea metsi, phala ea metsi ea moaho, phala ea drainage e patiloeng, phala ea phepelo ea khase, casing ea motlakase, phala ea temo, phala ea indasteri joalo-joalo.Ntshetsopele ya kaho ya phepelo ya metsi le phaephe ya ho kgalla metsi e potlakile ka ho fetisisa, ntshetsopele ya kaho ya phepelo ya metsi le phaephe ya ho kgalla metsi e betere, mme ntshetsopele ya dipeipi tse tsamaisang metsi ka tlasa mobu le phaephe ya phetiso ya kgase e ka morao haholo ho ya dinaha tsa kantle.

Leha ho le joalo, nts'etsopele ea li-valve tsa tšepe le lisebelisoa tse ling tsa liphaephe Chaena li batla li le morao.Ho ea ka khopolo e amanang le setsebi, karo-karolelano e utloahalang ea phala le ho loketse bakeng sa kaho e lokela ho ba 8: 1, empa ho ea ka lintlha tsa lipalo-palo ka 1998, tekanyo ea tlhahiso ea tlhahiso ea phala ea tšepe ea tšepe le e loketseng bakeng sa kaho Chaena e ka bang 20: 1 .Bokhoni ba tlhahiso ea lipeipi tsa tšepe tse entsoeng ka tšepe bo fokotsehile hanyenyane lilemong tsa morao tjena, empa bo ntse bo sa tsitsa.Bongata ba bahlahisi ba lipeipi tsa tšepe tse entsoeng ka tšepe ke likhoebo tse nyane mme tse seng kae ke likhoebo tse kholo kapa tse mahareng.

Lefapheng la boemafofane ba Boenjiniere, lekhalo lipakeng tsa lehae le kantle ho naha le bonahala haholo maemong a tekheniki a likarolo tsa mantlha.Ka hona, ho nchafatsa nts'etsopele ea indasteri ea mechini ea kaho, re lokela ho theha matsapa a rona ho ntlafatsa boemo ba tekheniki ba likarolo tsa mantlha, ho eketsa boemo ba ntlafatso ea theknoloji, le ho e tlatsa ka tšehetso ea maano, e le hore re ka ntlafatsa haholo boemo ba botekgeniki. Lemoha tsoelopele ea indasteri.

Tlhokahalo ea 'maraka ea lihlahisoa tsa li-valve tsa tšepe haholo-holo e tsoa likarolong tse peli: ea pele, tšebeliso e nang le phala ea tšepe e entsoeng ka tšepe;ea bobeli, tšebeliso ea li-valve tsa tšepe tse entsoeng ka tšepe, ho tšoarella, ho hanyetsa mokhathala, ho hanyetsa kutu ha hoa nepahala haholo, empa hape ho na le boleng bo bobebe, ts'ebetso e phahameng ea ts'ebetso le melemo e meng e ikhethang.Linaheng tse ling, li-valve tsa tšepe tse entsoeng ka tšepe li 'nile tsa sebelisoa haholo indastering ea lik'hemik'hale, meriana, ts'ebetso ea lijo, phepelo ea metsi ka hare le ka ntle le metsi, lihlahisoa tsa mechine le tsa motlakase, temo le masimo a mang.Ho ka lebelloa hore lihlahisoa tsa li-valve tsa tšepe tse nang le boleng bo phahameng, ts'ebetso le theko li na le monyetla o moholo oa 'maraka Chaena.Le kamora hore China e kene WTO, e boetse ke lihlahisoa tse ntle ho qothisana lehlokoa le 'maraka oa machabeng.

Ho arabela litlhoko tse fapaneng tsa bareki, nts'etsopele ea litharollo tse akaretsang ho fana ka boiketlo ho bareki, empa hape e bapetse kopanyo e rapameng ea melemo e mengata, e le hore lihlahisoa tse fapaneng li arolelane letlotlo le sa tšoareheng, ho atolosa ponahalo ea likhoebo, ka taelo ea ho theha litšitiso ho batho ba bacha ba kenang indastering, ho fokotsa khatello ea tlhōlisano, le ho fumana sebaka se seholoanyane sa phaello;ka ho fapanyetsana, haholo-holo ho kopanngoa le ho fumana thepa, ho ka fokotsa bahlolisani, ho eketsa karolo ea mmaraka, ho ntlafatsa puso ea 'maraka, ho etsa hore khoebo e fumane phello ea synergy.

E le ho khothaletsa ts'ehetso ea sesosa sa ts'ireletso ea tikoloho, ho netefatsa tlhokahalo ea lichelete tsa ts'ireletso ea tikoloho, linaha li nka mekhoa e fapaneng ea liphello tse potlakileng.Ka mohlala, Europe e fumana lichelete ho tsoa ho World Wildlife Fund bakeng sa Lipatlisiso le nts'etsopele ea mefuta e meng ea tetrachloroethene, 'me linaha tse ling li lefisa lekhetho le khethehileng la tikoloho thekisong ea tetrachloroethene, e sebelisetsoang ho phekola litšila tsa tetrachloroethene.