Kuyi-drill engenantambo engakongela isikhathi esiningi namandla lapho uthatha amaphrojekthi ahlukahlukene.Ifanele izikulufu zokushayela, noma ukubhola ukhuni nezindawo zensimbi.I-torque yayo enamandla nezilungiselelo zokushayela zingakusiza ukuthi ubhobole imbobo ephelele futhi engaqhekezi.