機器
accuracy
action
arc
automated
automobile industry
bright
brightly lit
cnc
cnc welding
construction
construction worker
cutting
descriptive color
engineering
equipment
factory
heat
helmet
industrial equipment
industry
iron
laser
laser cutting
light
machine shop
manual worker
manufacturing
manufacturing equipment
material
men
metal
metal worker
metalwork
occupation
portion
repairing
safety
sheet metal
shiny
skill
sparks
steel
technology
welder
welding
work tool
working
workshop