{HEAD ~ The line} 54 is of {TAIL ~ small diameter tubing}, typically about 1/4 3/8 inch, so that it fits through a small opening in the wall of the oven 24, a small gap in the door of the oven, or the like 
is of
{ HEAD ~ The line } 54 is of { TAIL ~ small diameter tubing } , typically about 1/4 3/8 inch , so that it fits through a small opening in the wall of the oven 24 , a small gap in the door of the oven , or the like
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL 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 OTH OTH OTH OTH OTH OTH