In the FIG 4 embodiment, fluid coolant flow through cooling channel 46 removes {HEAD ~ heat} from {TAIL ~ heat exchanger} 40 
from
In the FIG 4 embodiment , fluid coolant flow through cooling channel 46 removes { HEAD ~ heat } from { TAIL ~ heat exchanger } 40
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH