Khulula futhi ubambe ngesandla, ukusebenza okulula nokusheshayo konga isikhathi sokubophaIsakhiwo segiya emandleni aqinile okubamba.akukho ukushelela ngenkathi usebenzaUkumba nokucofa ama-ratchet kungasetshenziswaKulula ukususa i-drill chuck ye-thrust nut futhi ulondoloze ngempumelelo ukunemba kwembobo engaphakathi eyikholiIsetshenziselwa umshini wokubhoboza ibhentshi, umshini wokumba ingalo ye-radial, umshini wokubhoboza nowokushaya, ama-lathes, umshini wokugaya, umshini wokubhola uzibuthe;njll