機器
background
brain
bright
bulb
business
circuit
communication
concept
creation
creative
creativity
design
electricity
element
energy
equipment
glow
graphic
group
head
human
icon
idea
illustration
imagination
industry
innovation
invention
lamp
light
lightbulb
maze
part
people
power
problem
profile
progress
round
solution
space
symbol
teamwork
technology
think
turning
wheel
working