A method of {HEAD ~ detection} for {TAIL ~ parcels} is to ensure separation is performed by mechanical equipment prior to directing the sensing devices towards the parcel 
for
A method of { HEAD ~ detection } for { TAIL ~ parcels } is to ensure separation is performed by mechanical equipment prior to directing the sensing devices towards the parcel
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH