The liquid volume of {TAIL ~ the volatile fluid} is greater than that of the small cannister plus the conduit, but less than {HEAD ~ the volume} of the large cannister 
The liquid volume of { TAIL ~ the volatile fluid } is greater than that of the small cannister plus the conduit , but less than { HEAD ~ the volume } of the large cannister
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 HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH