In a preferred embodiment, the thermal regulator is adapted to provide {HEAD ~ both heating} and {TAIL ~ heat exchanging} 
In a preferred embodiment , the thermal regulator is adapted to provide { HEAD ~ both heating } and { TAIL ~ heat exchanging }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL