said cap member has an end wall formed with {TAIL ~ a recess portion} in which {HEAD ~ said heating mechanism} is disposed 
said cap member has an end wall formed with { TAIL ~ a recess portion } in which { HEAD ~ said heating mechanism } is disposed
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL REL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL