機器
background
business
cog
cogwheel
component
concept
conceptual
connect
connection
cooperation
engine
engineering
equipment
fit
gears
help
industrial
industry
interlock
isolated
machined
machinery
mark
mechanical
mechanics
mechanism
meshing
metal
metallic
mobile
part
perpetuum
power
projector
question
red
rotation
steel
still
support
teamwork
technical
technology
teeth
toothed
wheel
why
work