Mounted on the chute is a pressure sensitive detector which senses when the bin is full, on the basis of {HEAD ~ a given pressure increase} in {TAIL ~ the chute} 
in
Mounted on the chute is a pressure sensitive detector which senses when the bin is full , on the basis of { HEAD ~ a given pressure increase } in { TAIL ~ the chute }
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 HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL