英文關鍵字
laser
machine
cut
spark
fire
sparkle
particle
green
cnc
sheet
metal
surface
slowmotion
blaze
cutter
burn
tool
equipment
flame
hot
cutting
light
heat
automatic
work
factory
plant
metalworking
machinery
precision
machining
decorative
automated
lasercut
technology
energy
metalwork
pattern
engraving
production
workshop
engineering
modern