機器
10
3d
brainstorming
business
cog
component
components
concept
construction
cooperation
design
development
employe
employer
employment
engine
engineering
gear
gear wheel
gear wheels
gears
header
headline
illustration
industry
infographic
layout
mechanics
operation
precision
production
progress
rotation
spinning
system
team
teamwork
template
turning
wheel
work
workflow
working