arc
background
construction
craftsman
engineering
equipment
fabricate
fabrication
factory
fire
flash
gas
hot
industrial
industry
job
labor
laborer
light
man
manual
manufacture
manufacturing
mask
metal
metalwork
occupation
pipe
production
protection
repair
safety
silo
skill
skilled
smoke
spark
sparks
stainless
steel
technical
tig
torch
trade
weld
welder
welding
work
worker
workshop