機器
construction
cut
cutting
engineering
factory
fire
glow
heat
heavy
hold
hot
industrial
industry
iron
laser
maintenance
manufacturing
mechanical
metal
metal cutting
metal processing machine
metal work
metalwork
metalworking
pipe
plasma
precision
process
processing
product
production
professional
repair
sheet
skill
spark
stainless
stainless steel
steel
tech
technology
tool
work
workshop