機器
background
business
circle
clockwork
cog
cogwheel
collaboration
component
concept
conceptual
connect
connection
cooperation
design
engine
engineering
equipment
idea
industrial
industry
interlock
isolated
machinery
macro
mechanical
mechanics
mechanism
metal
metallic
motion
objects
part
power
precision
rotation
steel
team
teamwork
technical
technology
teeth
tool
transmission
turn
wheel
white
work