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Hebei Jibao Zvigadzirwa Zvinopisa Mvura uye Inofema Membrane
Mumakore ekuma1940, vagadziri veGerman vakawana kuti kuzvinamira uye kusapinda mhepo hunhu hweasphalt kudzivirira mvura membranes uye kuvhara zvinhu zvekudzivirira mvura zvakaita kuti hunyoro hwakasara muchimiro chekongiri kuvharirwe muchimiro, uye mhute yemvura...Verenga zvimwe -
Ndeapi maitiro ekudzivirira mvura uye kufema membranes emapuranga emadziro edzimba
Mukugadzirwa kweimba yemapuranga ikozvino, kuitira kuti imba yemapuranga igare ine mvura yakanaka uye inofema, ikozvino munhu wose anoshandisa membrane isina mvura uye inofema kunze kweimba yemapuranga. Iyo isina mvura uye inofema membrane inoshandiswa muhuni ho...Verenga zvimwe
