機器
cnc
construction
cutter
cutting
engineering
equipment
factory
fire
grinder
heat
industrial
industry
iron
light
lit
manufacturing
material
mechanic
men
metal
metalwork
occupation
orange
people
power
professional
safety
sawing
skill
spark
sparks
steel
technical
technology
temperature
tool
tools
turning
welder
welding
work
worker
working
workshop