2.Ukuphakama kokutya kulungelelaniswa yi-rotary hand-wheel, ekulula ukuyisebenzisa.
3.Uhlengahlengiso olukrelekrele lobunzulu be-slotting lufezekiswa ngokusebenzisa umzila kaloliwe ovela kumazwe angaphandle kunye nesikrufu esiphezulu sebhola.
I-4.Iinkcazo ezikhethekileyo kunye neemfuno zingenziwa ngokwezifiso.