Underpressure arises due to condensation of the steam from the steam gas mixture, leaving dryer 15, in condenser {HEAD ~ 16 and gas evacuation} of {TAIL ~ non condensing gases} by vacuum pump 17 
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Underpressure arises due to condensation of the steam from the steam gas mixture , leaving dryer 15 , in condenser { HEAD ~ 16 and gas evacuation } of { TAIL ~ non condensing gases } by vacuum pump 17
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 HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH