{HEAD ~ Other instrumentation} than a single channel sensor may be used for measuring {TAIL ~ color} of the display screen 
used for measuring
{ HEAD ~ Other instrumentation } than a single channel sensor may be used for measuring { TAIL ~ color } of the display screen
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH