機器
燃やす
accuracy
automated
automatic
business
closeup
cnc
construction
cut
cutting
danger
detail
energy
engineering
equipment
fire
flame
gas
heat
instrument
iron
laser
machinery
manufacturing
material
mechanical
metal
metallurgy
metalwork
part
plant
plasma
plate
precision
process
production
sheet
spark
steel
tech
tool
torch
weld
work
workshop