Ana amfani da tambari sosai a fagage daban-daban na tattalin arzikin ƙasa.Misali, ana samun sarrafa tambura a sararin samaniya, jirgin sama, soja, injina, injinan noma, kayan lantarki, bayanai, layin dogo, wasiƙu da sadarwa, sufuri, sinadarai, m...
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