arc
assembly
black and white
build
connect
construction
craftsman
entrepreneur
erecting
erection
fabricate
factory
fire
fix
flash
gloves
improvisation
industrial
industry
job
join
labor
laborer
light
making
man
manufacture
mask
metal
naval
prefabricate
production
protection
repair
safety
shipyard
skill
skilled
smoke
spark
steel
structure
technical
trained
welded
welder
welding
work
worker
workplace