Sidewalls positioned on {HEAD ~ either side} of {TAIL ~ the receptacle} stop any material which is flung out to the side, and redirect it down onto the conveyer 
Sidewalls positioned on { HEAD ~ either side } of { TAIL ~ the receptacle } stop any material which is flung out to the side , and redirect it down onto the conveyer
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH