aluminum
argon
balloon
bright
burner
chameleon
construction
craftsmanship
design
detail
electric
electrode
engineer
fire
gas
gloves
goggles
helmet
hot work
industry
inert
installation
light
manufacture
mask
mass
master
metal
metalworking
nozzle
oil
pipe
production
protection
ring
rod
safety
specialist
stainless steel
steel
technology
titanium
torch
uniform
welder
welding
wire
work
worker
workplace