{HEAD ~ The heat pipe} has {TAIL ~ one end portion} in the first chamber section and the other end portion in the second chamber section, and inclines with the one end portion located lower than the other end portion 
has
{ HEAD ~ The heat pipe } has { TAIL ~ one end portion } in the first chamber section and the other end portion in the second chamber section , and inclines with the one end portion located lower than the other end portion
HEAD HEAD 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH