A na-ejikarị akwa PVC mgbochi seepage eme ihe maka ọwa, mmiri mmiri, ọdọ mmiri kemịkalụ, cesspits, tankị mmanụ, ọdọ mmiri nnu, ụlọ, ebe a na-ekpofu ahịhịa, ọgwụgwọ mmiri n'ụlọ, na tankị ịgba mmiri biogas.
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