As the pull rod 71 is lifted, {TAIL ~ the protective cover} 70 is disengaged with the switch 80 such that the power supply is interruption and that the machine in operation is thus stopped, so as to safeguard the operator of {HEAD ~ the shredding machine} 
As the pull rod 71 is lifted , { TAIL ~ the protective cover } 70 is disengaged with the switch 80 such that the power supply is interruption and that the machine in operation is thus stopped , so as to safeguard the operator of { HEAD ~ the shredding machine }
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD