Related terms:
compact fluorescent lamp
cfls
color rendering index
lumens per watt
incandescent lamps
incandescent light bulbs
incandescent bulb
wattage
discharge lamps
light emitting
halogen lamp
incandescent light
incandescent lamp
neon lighting
mercury vapor
lumens
fluorescent lamp
light bulbs
light emitting diodes
semiconductor chip
lighting systems
sputtered
electrical ballast
seoul semiconductor
new si
professional lighting
metal filament
Wikipedia sources:
Luminous efficacy
Incandescent light bulb
Light-emitting diode
Compact fluorescent lamp
Bicycle lighting
Fluorescent lamp
High-intensity discharge lamp
Lighting
New SI definitions
Context for words:
luminous
efficacy
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