英文關鍵字
automated
automotive
blaze
boring
business
computer
construction
cut
cutter
cutting
electronic
energy
engineering
equipment
fabrication
factory
flames
heat
industrial
industry
intense
laser
lasercutting
light
machine
machinery
machining
manufacture
manufacturing
mechanical
melting
metal
metalwork
metalworking
object
plasma
precision
processing
production
safety
sheet
space
steel
tech
technology
tool
welding
work
workpiece
workshop