英文關鍵字
action
automated
blaze
burn
business
close
closeup
cnc
construction
cut
cutting
danger
energy
engineering
equipment
factory
fire
flame
heat
hot
industrial
industry
installation
iron
job
laser
lasercutting
light
line
machine
machinery
machining
manufacture
manufacturing
mechanical
melting
metal
metalwork
modern
nozzle
plant
plasma
precision
processing
production
sheet
spark
sparks
steel
tech
technology
tool
work
workers
workpiece
workshop