機器
automation
bending
control
design
dirty
drive
engine
engineer
engineering
equipment
factory
form
grunge
heavy
industrial
industry
iron
machinery
manufacture
manufacturing
material
measurement
mechanism
metal
metalwork
operator
part
pipe
plant
power
precision
press
printing
process
product
production
quality
roll
safety
sheet
speed
stainless
steel
system
technician
technology
tool
wheel
workshop