機器
abstract
background
business
cog
cogwheel
communication
concept
connection
construction
cooperation
creative
design
development
engine
engineering
equipment
gear
graphic
idea
industrial
industry
innovation
inspiration
machinery
mechanical
mechanics
mechanism
modern
motion
people
power
progress
puzzle
rotate
round
set
sign
solution
strategy
success
sun
team
teamwork
technical
technology
transmission
web
wheel
work