{TAIL ~ an insulation cap} coupled to the main plate to define a flame space with {HEAD ~ the main plate} 
{ TAIL ~ an insulation cap } coupled to the main plate to define a flame space with { HEAD ~ the main plate }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD