Sistemụ pọmpụ mmiri. A na-eji ọkpọkọ galvanized na-ebufe mmiri pọmpụ, mmiri ọkụ, mmiri oyi, wdg, dị ka ọkpọkọ ọkpọkọ maka mmiri mmiri na-adịghị ala ala dịka mmiri, gas, mmanụ, wdg. N'ebe a na-ewu ụlọ, enwere ike iji ọkpọkọ galvanized maka s ...
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