{HEAD ~ The mechanical oscillation} of {TAIL ~ the fluid} is translated to the visco elastic polyurethane covering upon which the patient is disposed 
of
{ HEAD ~ The mechanical oscillation } of { TAIL ~ the fluid } is translated to the visco elastic polyurethane covering upon which the patient is disposed
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH