{TAIL ~ This light} is reflected from a reflective layer at the output surface and from a reflective layer at the input surface of {HEAD ~ the member} 
{ TAIL ~ This light } is reflected from a reflective layer at the output surface and from a reflective layer at the input surface of { HEAD ~ the member }
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 HEAD HEAD HEAD HEAD HEAD HEAD