Khosi la Madzi Othirira
-
Khope la Madzi Othirira Lokhala Ndi Kulemera Kwambiri, Malo Otuluka Mwamphepo Mwachangu Komanso Mapiritsi Osavuta
M'mbuyomu, kwa mtundu uwu wa madzi mtunda wautali, ogwira ntchito m'munda nthawi zambiri amagwiritsa ntchito chitoliro chachitsulo, chitoliro cha PE popereka madzi, koma poyerekeza ndi madzi apadera a fracturing payipi yaikulu ya polyurethane, mipope iyi ndi yochuluka, yovuta kuika, ogwira ntchito, kotero iwo pang'onopang'ono m'malo polyurethane gulu chitoliro.
