英文關鍵字
ablaze
arm
automated
blaze
burning
business
closeup
cnc
computer
cut
cutter
danger
energy
engineering
equipment
factory
fire
flame
flat
gas
heat
industrial
industry
iron
laser
lasercutting
light
line
machine
machinery
machining
manufacture
manufacturing
mechanical
melting
metal
metalwork
modern
motion
plasma
plate
precision
production
sheet
spark
steel
technology
tool
work