{HEAD ~ A sign board} is formed on translucent/transparent substrate by attaching {TAIL ~ fluorescent foils} so formed to opposite sides of the substrate 
{ HEAD ~ A sign board } is formed on translucent / transparent substrate by attaching { TAIL ~ fluorescent foils } so formed to opposite sides of the substrate
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH