英文關鍵字
aerospace
automated
automobile
blaze
burn
business
cnc
copy
cut
cutting
energy
engineering
engraving
equipment
factory
fire
flames
heat
industrial
industry
intense
iron
laser
lasercutting
light
line
machine
machinery
machining
manufacture
manufacturing
mechanical
melting
metal
metalwork
modern
plasma
precision
processing
production
space
spark
steel
tech
technology
tool
treatment
work
workpiece