金属産業
manufacturing occupation
activity
aerospace industry
automated
automobile industry
blood plasma
business finance and industry
cnc machine
color image
competition heat
computeraided manufacturing
construction industry
cutting
defense industry
energy efficient
engineering
factory
foundry
heat temperature
igniting
industry
instruction manual
laser
machine part
machinery
manual worker
manufacturing
manufacturing equipment
metal
metalwork
modern
motion
no people
production line
safety
sheet bedding
sheet metal
skill
social issues
sparks
steel
technology
welder
welding torch
work tool
working
workshop