The second line is configured such that the second fluid can exchange heat with a second surface of the thermoelectric device, and pass through {HEAD ~ a heat sink} to further exchange {TAIL ~ heat} 
to exchange
The second line is configured such that the second fluid can exchange heat with a second surface of the thermoelectric device , and pass through { HEAD ~ a heat sink } to further exchange { TAIL ~ heat }
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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH REL TAIL TAIL TAIL TAIL TAIL