Na-asachapụ, kpochaa ma kpoo (atọ n'ime otu), mezue ọrụ nhicha n'otu oge;Ala nke emechara dị ọcha nke ukwuu, ihe mkpofu niile dị ka mmiri ruru unyi, ụrọ, ájá na ntụpọ mmanụ ga-abanye n'ime tank mmiri ruru unyi;ọ nwere ike na-ehicha ala dị iche iche dị ka epoxy resin, ihe na tiled, wdg 350mm obosara ihicha na-enyere ya ọcha warara ụzọ.
