In addition, the caked grain can be crushed and discharged through the guide hole by gravity flow without {TAIL ~ the necessity} for {HEAD ~ an operator} to enter the silo 
In addition , the caked grain can be crushed and discharged through the guide hole by gravity flow without { TAIL ~ the necessity } for { HEAD ~ an operator } to enter the silo
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH