After that, {TAIL ~ a plurality} of {HEAD ~ heat emission parts} 20 are coupled to the support part 30 
After that , { TAIL ~ a plurality } of { HEAD ~ heat emission parts } 20 are coupled to the support part 30
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH