KWESỊRỊ usoro mbuli elu ụlọ ọgwụ, nke ejiri ihe ndị siri ike mee ma nweekwa ngwa ngwa zuru oke, na-agba ọsọ nke ọma na nke ọma iji gboo mkpa ụgbọ njem nke ndị ọrịa ngwa ngwa.N'ịgbaso ụkpụrụ mmadụ na-agbanwe agbanwe, a na-etinye teknụzụ njikwa otu iji ghọta ọrụ nwere ọgụgụ isi nke igwe mbuli ma belata oge echere ndị ọrịa na opekempe.