Enwere ike kewaa eriri waya PVC n'ime ọkwa ụlọ ọrụ (kpọmkwem na-ebuga mmiri ụlọ ọrụ, mmanụ, ntụ ntụ mmiri, akụrụngwa kemịkalụ, wdg) na ọkwa nri (ụlọ ọrụ nri na-ebuga ihe ọ juiceụ ,ụ, mmiri ara ehi, mmiri oriri, mbufe winery) mmanya, biya wdg. , ike ikuku ikuku, nsị na mmiri mmiri, ngwaahịa mmanụ, kemịkalụ dị ala na mmiri ndị ọzọ na ihe siri ike na ihe powdery.