機器
accuracy
automated
automation
bright
business
closeup
cnc
concept
cut
cutter
cutting
danger
energy
engineering
engrave
engraving
equipment
factory
fire
flame
heat
hot
industrial
industry
intense
iron
laser
light
line
machinery
manufacture
mechanical
metal
metalwork
metalworking
modern
plasma
plate
precision
process
processing
production
sheet
spark
steel
technology
tool
work
workshop