{HEAD ~ The outer surface} is secured to the inner cavity of {TAIL ~ the T} shaped two piece housing 
{ HEAD ~ The outer surface } is secured to the inner cavity of { TAIL ~ the T } shaped two piece housing
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH