英文關鍵字
automated
automatic
burn
closeup
cnc
concept
cooling
cut
cutter
cutting
energy
factory
fiber
fire
flame
heat
hot
industrial
industry
laser
light
machine
machining
metal
metalwork
metalworking
nobody
orange
pattern
plant
plasma
plate
processing
production
sheet
slowmotion
spark
sparkle
splash
spray
water
work
workpiece
yellow