Ho tlosa letsoai ke mokhoa oa ho ntša letsoai le liminerale tse ling metsing a leoatle ho etsa hore a lokele ho sebelisoa ke batho kapa indastering.Sena se etsoa ka mekhoa e fapaneng e kenyelletsang reverse osmosis, distillation le electrodialysis.Ho tlosoa ha letsoai metsing a leoatle e ntse e e-ba mohloli oa bohlokoa ka ho fetisisa oa metsi a hloekileng libakeng tseo mehloli ea khale ea metsi a hloekileng e haellang kapa e silafetseng.Leha ho le joalo, sena e ka ba ts'ebetso e matla ea matla, 'me metsi a mangata a setseng ka mor'a ho tlosoa letsoai a tlameha ho sebetsoa ka hloko e le hore a se ke a senya tikoloho.

YANTAI JIETONG e ikgethileng ka moralo, ho etsa metjhini e fapaneng ya metsi a lewatle a hlatswang letsoai ka nako e fetang 20years.Baenjiniere ba litsebi ba ka etsa moralo ho latela litlhoko tse khethehileng tsa bareki le boemo ba 'nete ba sebaka.