The method includes contacting {TAIL ~ a fluid enclosure} with a fluid, wherein the fluid enclosure includes a structural filler and an outer enclosure wall conformably coupled to {HEAD ~ the structural filler} 
The method includes contacting { TAIL ~ a fluid enclosure } with a fluid , wherein the fluid enclosure includes a structural filler and an outer enclosure wall conformably coupled to { HEAD ~ the structural filler }
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD