acetylene
chemical
clamp
craftsman
degrees
equipment
fabricate
factory
flame
flash
gas
glow
hangar
heat
helmet
high
hot
indoors
industrial
industry
job
join
labor
light
man
manufacture
manufacturing
mask
metal
metalwork
mig
occupation
oxygen
repairing
safety
skill
solder
soldering
spark
steel
temperature
thousand
torch
welder
welding
work
worker
working
workpiece
workshop