arc
black
blue
bright
burning
busy
color
construction
dark
engineering
equipment
fabrication
fabricator
factory
gas
heat
industrial
industry
iron
light
manual
manufacturing
metal
metalwork
obscured
occupation
one
oxyacetylene
person
repairing
safety
skilled
space
sparkling
sparks
spot welding
steel
tool
torch
trade
vertical
welder
welding
worker
working
workplace
workshop