Khosi la Madzi Othirira
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Hose Yamadzi Yothirira Yokhala Ndi Kulemera Kwambiri, Malo Otuluka Mwachangu komanso Mapiritsi Osavuta
M'mbuyomu, kwa mtundu uwu wa madzi mtunda wautali, ogwira ntchito m'munda nthawi zambiri ankagwiritsa ntchito chitoliro chachitsulo, chitoliro cha PE popereka madzi, koma poyerekeza ndi madzi apadera a fracturing madzi akuluakulu a polyurethane payipi, mipope iyi ndi yochuluka, yovuta kuyala, ogwira ntchito, kotero iwo pang'onopang'ono m'malo polyurethane gulu chitoliro.
