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