background
black
blackout
blue
bright
bulb
concrete
copy
copyspace
dark
darkness
defuse
directional
electric
emergency
energy
equipment
flash
flashlight
glass
gray
grey
handle
illumination
lamp
led
light
metal
modern
night
nobody
object
pocket
power
projection
projector
search
searchlight
shine
small
space
spot
spotlight
table
tool
torch
white
wood
work