{HEAD ~ The interior surface} may further include a design element that may be viewable on {TAIL ~ the exterior surface} only when the light source is illuminated 
{ HEAD ~ The interior surface } may further include a design element that may be viewable on { TAIL ~ the exterior surface } only when the light source is illuminated
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH