Ọdịnaya ihe owuwu: Mgbanwe nke ahịrị granulation aquatic, eriri mgbasawanye, ahịrị na-etipịa ntụ ntụ dị mma, pipeline netwọk ikuku na akụrụngwa nchebe gburugburu ebe obibi; Ndozi usoro ọgwụgwọ mmiri.
Isi usoro: ịgba mmiri (na-ekesa ịgbasa sedimentation absorption) ruo na mwepụta ọkọlọtọ.
Nke gara aga:Ọrụ ntọala ọmụmụ