Patha zaka zopitilira 30 pakupanga ma membrane a polymer osalowa madzi ndikumanga ma projekiti oletsa madzi.Mzere wathunthu wa kupanga zikuphatikizapo TPO nembanemba, PVC membtranes, EPDM mphira nembanemba, EVA mumphangayo madzi mapepala ndi HDPE geomembranes zilipo .Types ndi analimbitsa, ubweya wa msana, mchenga TACHIMATA, kudziona zomatira , walkway bolodi ndi zopempha zina zapadera akhoza makonda bwino .Njira imodzi yoyimitsa ndikupangitsa kuti mapulojekiti anu akhale otsika mtengo komanso phindu lalikulu.Zogulitsa zabwino, kuchuluka kwamphamvu, kutumiza mwachangu, ntchito zaukadaulo ndizifukwa zazikulu zogwirira ntchito limodzi.Bwanji osalumikizana nafe kuti mudziwe zambiri?