The body suit further has a cavity defined within the inner layer, {HEAD ~ the cavity} having {TAIL ~ an amount} of known initial volume 
having
The body suit further has a cavity defined within the inner layer , { HEAD ~ the cavity } having { TAIL ~ an amount } of known initial volume
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 OTH OTH OTH OTH