soyayya Masu kera injinan ɗagawa ne soyayya sha'anin hadawa samarwa, bincike da ci gaba, masana'antu, da kuma tallace-tallace na soyayya dagawa kayan aiki, soyayya dagawa inji, soyayya dagawa kayan aiki da kuma ayyuka! Amintaccen inganci, fifiko farashin, m bayan- sabis na tallace-tallace, ya cancanci amincewa!