arc
assembly
build
connect
construction
craftsman
equipment
fabricate
factory
fire
flash
hot
industrial
industry
job
labor
laborer
laboring
light
man
manufacture
manufacturing
mask
metal
metal worker
metalwork
protection
repair
safety
skill
skilled
smoke
spark
steel
structure
technical
weld
welded
welder
welding
welding torch
work
worker
working
workplace