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