機器
accuracy
action
automated
beam
cnc
coating
color
construction
energy
engineering
equipment
factory
fill
heat
hot
industrial
industry
iron
job
laser
light
maintenance
manual
manufacturing
material
metal
metalwork
modern
mold
molding
operator
part
precision
process
product
production
repair
sheet
skill
spark
staff
steel
technical
technology
tool
weld
welding
work
workshop