arc
assembly
build
connect
construction
craftsman
entrepreneur
erection
fabricate
factory
fire
fix
flash
hot
improvisation
industrial
industry
job
join
labor
laborer
laboring
light
making
man
manufacture
manufacturing
mask
metal
protection
protective
repair
safety
skill
skilled
smoke
spark
sparks
steel
structure
technical
trained
weld
welded
welder
welding
work
worker
workers
workplace