environmental
aluminum
アルミニウム
background
board
bright
bulb
cold
component
conservation
cool
crystal
diode
eco
economical
efficiency
electric
electrical
electricity
electronic
electronics
emission
emitting
energy
environment
equipment
glass
glow
glowing
green
illuminate
illumination
industry
lamp
led
light
lightbulb
low
modern
new
object
power
reflection
replace
ribbon
saving
semiconductor
shiny
small
technology
white