bayonette
alternating
alternative
bright
bulb
closeup
compact
conservation
ecofriendly
economic
economical
economy
efficiency
electric
electrical
electricity
energy
equipment
fixture
florescent
flourescent
fluorescent
glass
idea
illuminate
innovation
invention
isolated
lamp
lightbulb
luminosity
modern
object
plastic
power
save
single
spiral
technology
watt
white