{TAIL ~ The plate} has {HEAD ~ a viewing hole} juxtaposed in visual alignment with the burner for visual confirmation of flame ignition 
{ TAIL ~ The plate } has { HEAD ~ a viewing hole } juxtaposed in visual alignment with the burner for visual confirmation of flame ignition
TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH