acetylene
balloon
bright
burner
construction
copper
craftsmanship
design
detail
electrode
fire
gas
gloves
goggles
helmet
honeycomb
hot work
industry
inert
installation
light
manufacturing
mass
master
metal
metalworking
nozzle
pipe
production
protection
radiator
ring
safety
specialist
stainless steel
steel
technology
torch
uniform
welder
welding
wire
work
worker
workplace