arc
builder
construction
craftsman
electrode
engineer
engineering
equipment
factory
flame
flash
gas
heat
helmet
indoors
industrial
iron
job
join
labor
light
man
manufacture
manufacturing
mask
metal
metalwork
occupation
pipe
protection
protective
safety
semiautomatic
skilled
smoke
solder
spark
steel
structure
tool
torch
weld
welder
welding
work
worker
working
workshop
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