{HEAD ~ The amount} of {TAIL ~ matter} in a certain state of phase can however be so small in a borderline case the the cooling system of the device operates in practice with matter in one phase only, e.g. liquid phase 
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{ HEAD ~ The amount } of { TAIL ~ matter } in a certain state of phase can however be so small in a borderline case the the cooling system of the device operates in practice with matter in one phase only , e.g. liquid phase
HEAD HEAD HEAD HEAD HEAD HEAD REL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH