Nkọwa dị mkpirikpi:
Igwe eji akpọchi akpọchi (ya bụ Windlass Bone Machine) bụ igwe a na-ejikarị eme ihe na nke ọdịnala etinyere n'imepụta tubes ikuku.Otú ọ dị, anyị ngwaahịa e mma dabeere na omenala mmepụta, na ndị ọzọ ahịa-gbakwasara, ebe steepụ n'ime akpaka mgbanwe n'elu dị iche iche ọrụ, nke nwere ike kpamkpam tufuo nsogbu na ntuziaka mgbanwe nke rollers.Na na...