arc
assembly
close
closed
connect
construction
craftsman
electric
electrical
engineering
fabricate
factory
fire
flash
foreman
hand
heat
hot
industrial
industry
iron
job
labor
light
man
manufacture
manufacturing
metal
metalwork
protection
repair
safety
site
skill
smoke
spark
steel
stick
technology
tool
up
weld
welded
welder
welding
work
worker
workshop