Ọ bụ ihe niile na nkọwa.Asụsụ ọla edo ihe nlereanya bụ ihe na-ewe ụzọ a ọkaibe nke nwere obere okpokolo agba, okpokolo agba nwere okirikiri karịa n'elu.N'ụdị a, acetate doro anya n'azụ rim n'ihu igwe na-ejikọta ụlọ arụsị ọla edo mara mma nke na-egbuke egbuke iji mepụta kpochapụ nke oge a.