Next the body is disposed within the cavity such that the inner layer contacts {HEAD ~ the body} in {TAIL ~ a first position} 
in
Next the body is disposed within the cavity such that the inner layer contacts { HEAD ~ the body } in { TAIL ~ a first position }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL