英文關鍵字
action
automated
blaze
burn
closeup
cnc
color
copy
cut
cutting
energy
engineering
equipment
factory
fire
flames
gas
heat
hot
industrial
industry
intense
laser
light
line
machine
machinery
machining
manufacture
manufacturing
mechanical
metal
metalwork
modern
nozzle
plant
plasma
precision
process
processing
production
sheet
shop
spark
steel
technology
tool
welding
work
workpiece