alternating group occulting light
alternating occulting light
occulting quick flashing light
light-light transfer efficiency
lightweight Light-Expansion Concrete
White Light Light-Emitting Diode
alternating occulting and alternating group occulting
anti-visible light and infrared light
breakdown light {NUC light}
digital light processing DLP light source
high light efficiency light source
light draft [= light draught]
light output characteristic and the light distribution
Light-emitting diode curing light
light-emitting diode LED light source