background
bright
bulb
ceiling
compact
concept
construction
design
ecology
economic
economical
economy
efficiency
efficient
electric
electrical
electricity
energy
equipment
fixture
florescent
fluorescent
glowing
idea
illuminate
illuminated
illumination
interior
lamp
light
lightbulb
lines
mirror
modern
object
office
panel
power
recycle
reflection
reflector
save
saver
shine
shiny
solution
technology
wall
watts
white
yellow