● Ihe mmetụta okpomọkụ anọ
● Otu ihe mmetụta iru mmiri
● Nwere ike ijikwa otu ikpo ọkụ otu
● Nyochaa ma jikwaa otu ìgwè oyi oyi
● Otu mkpọgharị mkpu
● Ihe mmetụta okpomọkụ iri
● Ihe mmetụta iru mmiri abụọ
● CO2 / NH3 ihe mmetụta
● kpo oku maka mpaghara 6 kwụụrụ onwe ya
● Otu abụọ nke mkpuchi oyi