Ọnọdụ okpomọkụ na-adị mgbe niile BOD jụrụ oyi
Tinye akwụkwọ na ngalaba mmepụta nke nlekọta gburugburu ebe obibi, ahụike na mgbochi ọrịa ọgwụ, anụ ụlọ, aquaculture na ụlọ ọrụ nyocha ndị ọzọ. Ọ bụ ngwaọrụ thermostatic raara onwe ya nye nke mmiri na mkpebi BOD, nje bacteria, fungi, microorganisms cultivation, conservation, cultivation cultivation, ozuzu.