Anyị na-pụrụiche na mmepụta nke ink, stampụ mpe mpe akwa, stampụ, karịsịa mmepụta ntuli aka, dị ka ink na-adịghị ehichapụ, UV ink, mkpịsị aka mkpịsị aka, na anyị nwere ike inye ihe ọ bụla ọzọ ngwaahịa na ntuli aka, N'oge gara aga, ọgaranya ahụmahụ na ntuli aka ngwaahịa. , mbupụ ink.maka Philippines, Uganda, Iraq, Egypt, Iraq, Sudan, Nigeria, Congo, Mali, na Burkina Faso, Kenya, Tanzania, Afghanistan, Nigeria, Congo, Malawi…