{TAIL ~ The pneumatic system} isolates {HEAD ~ the reservoirs} from the bladders and the bladders from each other using valves 
{ TAIL ~ The pneumatic system } isolates { HEAD ~ the reservoirs } from the bladders and the bladders from each other using valves
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH