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Igwe ọkụ maka ụlọ griin haus na ụlọ
nkọwa2
Ngwa
Njirimara iko a na-ewe iwe ọkụ:
a. A na-emewanyewanye ike: iko ọkụ ọkụ, ike arụ ọrụ, mmetụta nkwụsị na ike na-ehulata nwere ike iru ugboro anọ ruo ise nke iko nkịtị.
b. Nkwụsi ike okpomọkụ dị mma: iko nwere ọkụ nwere ike iguzogide nnukwu ọdịiche okpomọkụ, ọ bụghị mebiri emebi, ikike iguzogide mgbanwe mgbanwe okpomọkụ bụ ugboro atọ nke iko ise n'elu mmiri nke nha nha nha.
c. Nchekwa emelitere: ka mmebi ike dị elu gasịrị, enyo nwere ọkụ na-atụgharị ghọọ obere irighiri ihe, na-ebuli nchekwa nke onwe.