Aikace-aikace:
Wani bangare na akwayadunƙule tare da ƙugiya ko dunƙule don ɗaure, wani abu mai mahimmanci ga duk injinan masana'anta.Zoben dagawakwayakayan aikin injiniya ne da aka saba amfani dashi.Kwayoyi tare da dunƙule, bisa ga daban-daban bayani dalla-dalla, hakowa, gyarawa ta dunƙule.
Ingancin Farko, Garantin Tsaro