機器
automobile
binding
bonding
clockwork
cogwheel
concept
connect
connection
engage
engaged
engine
engineering
factory
gear
gearbox
gearing
idea
industry
interlink
interlock
interlocked
interlocking
machinery
macro
mechanical
mechanics
mechanism
mesh
meshing
metal
metaphor
nobody
objects
part
parts
pinion
power
precision
rotation
steel
strength
strong
teamwork
teeth
together
united
wheel
wheels
working