arc
bright
business
construction
craft
craftsman
danger
equipment
factory
flame
flash
glove
hot
industrial
industry
iron
job
labor
laborer
laboring
light
man
manual
manufacture
manufacturing
mask
metal
occupation
person
protection
protective
repair
safety
skill
skilled
smoke
spark
sparks
spray
steel
technical
technology
torch
trained
weld
welder
welding
work
worker
working