color

background

design

glass

shiny

bright

illuminated

reflection

business

equipment

success

abstract

energy

light

electric

electrical

electricity

power

technology

speed

time

inspiration

creative

concept

idea

illumination

lamp

burn

fire

glowing

Wisdom

bulb

watt

education

science

solution

efficient

discovery

thinking

conceptual

invention

innovation

warming

saving

tungsten

filament

Light bulb

electric light