{HEAD ~ An outlet hood} 16 is affixed to {TAIL ~ the upper portion} 18 of the column 12 
is affixed to
{ HEAD ~ An outlet hood } 16 is affixed to { TAIL ~ the upper portion } 18 of the column 12
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH