英文關鍵字
animation
backdrop
background
banner
business
cartoon
circle
circles
cog
cogwheel
concept
design
digital
drawing
drawn
dynamic
element
engine
engineering
equipment
footage
gear
gears
graphic
icon
industry
line
lines
machine
mechanical
mechanism
progress
round
shape
sign
simple
speed
symbol
technical
technological
technology
vector
video
web
wheel
work