Gabatarwa: Kamar yadda amfani da injinan masana'antu ya samo asali tsawon shekaru, hanyar sarrafa saurin kuma ta ci gaba da haɓakawa, don zaɓar sarrafa saurin daidai, wane nau'in injin ɗin zai iya ɗaukarsa, da ƙarancin farashi / ingantaccen aiki, wasu masu sarrafawa na iya farashi Ƙananan, ba ...
Kara karantawa