abstract
art
background
bright
bulb
calculate
calculation
concept
design
electric
electricity
energy
flat
glass
graphic
icon
idea
illustration
innovation
inspiration
invention
lamp
light
lightbulb
long
long shadow
math
mathematical
mathematics
minus
power
shadow
shape
sign
subtract
subtraction
symbol
technology
定額
Illustration of a long shadow light bulb with a subtraction signの素材 [FY31041815859]
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