英文關鍵字
automated
automotive
blaze
boring
building
cnc
construction
cut
cutting
danger
electronic
energy
engineering
engraving
equipment
fabrication
factory
fire
heat
industrial
industry
intense
laser
lasercutting
light
line
machine
machinery
machining
manufacture
manufacturing
material
mechanical
metal
metalwork
metalworking
object
plasma
precision
process
processing
production
sheet
spark
steel
technology
tool
welding
work
workpiece