A control unit supplies electricity to the thermoelectric device such that the first surface absorbs heat in a cooling mode and {HEAD ~ the second surface} absorbs {TAIL ~ heat} in a heating mode 
absorbs
A control unit supplies electricity to the thermoelectric device such that the first surface absorbs heat in a cooling mode and { HEAD ~ the second surface } absorbs { TAIL ~ heat } in a heating mode
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 TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH