arc
assembly
construction
craftsman
engineering
equipment
erecting
fabricate
factory
fire
fix
flame
flash
heat
helmet
improvisation
industrial
industry
job
join
labor
laborer
light
making
man
manufacture
manufacturing
mask
metal
metalwork
occupation
prefabricate
production
protection
repairing
safety
shipyard
skill
skilled
smoke
spark
steel
technical
tool
trained
welded
welder
welding
work
worker