The adiabatic chamber is defined by {TAIL ~ side walls} and by {HEAD ~ at least two evaporation honeycomb fill packs}  
The adiabatic chamber is defined by { TAIL ~ side walls } and by { HEAD ~ at least two evaporation honeycomb fill packs }
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH