arc
assembly
construction
craftsman
engineering
equipment
fabrication
factory
fire
flash
gas
gloves
helmet
hot
industrial
industry
iron
job
labor
light
man
manufacture
manufacturing
mask
metal
metalwork
production
protection
repair
safety
shield
skill
smoke
spark
stainless steel
steel
technical
technology
tool
torch
weld
welded
welder
welders
welding
weldings
work
worker
workplace
workshop