英文關鍵字
accuracy
action
aerospace
automated
boring
burn
construction
cut
cutter
cutting
danger
electronic
energy
engineering
equipment
factory
flat
heat
industrial
industry
laser
lasercutting
light
machine
machinery
machining
macro
manufacture
manufacturing
material
mechanical
metal
metalwork
modern
object
plasma
precision
processing
production
sheet
steel
technology
tool
welding
work
working
workpiece
workshop