disposing {TAIL ~ the body} within {HEAD ~ the cavity} such that the inner layer contacts the body in a first position 
disposing { TAIL ~ the body } within { HEAD ~ the cavity } such that the inner layer contacts the body in a first position
OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH