Na farko: bawul handwheel akwai da yawa nau'i na bayani dalla-dalla, saboda hannun dabaran na'urorin haɗi ne bawul model yana da yawa yi, daban-daban na bawuloli ake bukata a daban-daban diamita na handwheel mu muhimmanci gama gari bayani dalla-dalla, misali, akwai da yawa iri irin su RADIUS na 100-200 na 160 da sauransu a kan abin da muka saya mu dabaran bukatar mu mayar da hankali a kan.
Na biyu: kauri farantin hannu bawul wanda aka yi nufin latsa bawul handwheel bukatar gabatar da wani tsari domin wasu masana'antun domin ya ceci albarkatun kasa ta yin amfani da siririn baƙin ƙarfe wanda ƙwarai rage ingancin samfurin, kuma rinjayar da wannan bawul kaso mu ga beta rayuwa.
Na uku: shine takardar magani na kauri wanda shine ɗayan rayuwar bawul ɗin mu.
Sashe na IV: launi na bawul handwheel bawul hannun dabaran surface jiyya tsari da sauransu a kan jerin dangantaka idan muka nemi.
