Kedu ụdị ozi barcode ngwaọrụ nyocha a nwere ike ịgụ??
Ngwaọrụ a na-eji igwe nnabata nwere ọgụgụ isi iji kwado ịkọwapụta ụdị koodu mmanya dị iche iche nke mba ụwa gụnyere koodu ngwaahịa, ozi akwụkwọ, koodu nsochi ngwa agha, wdg. Mkpuchi a kapịrị ọnụ dị ka ndị a: