英文關鍵字
abstract
animated
animation
background
blue
business
clock
cog
cogwheel
communication
concept
connection
coordinated
design
element
engine
engineering
equipment
gear
graphic
green
illustration
industry
interconnection
isolated
logical
looped
machine
mechanical
mechanism
modern
motion
movement
power
progress
round
screen
sign
silhouette
simple
spin
symbol
teamwork
tech
technical
technology
template
vector
video
work