機器
automatic
bend
bender
box
closeup
complex
component
cut
demonstration
detail
display
drilling
engine
engineering
equipment
fabrication
factory
gear
industrial
industry
iron
machinery
machining
making
manufacture
manufacturing
material
mechanic
mechanical
metal
metallic
metalwork
model
pipe
plant
power
powerful
precision
process
processing
production
steel
technical
technology
tool
transmission
tube
work
workshop