acetylene
bright
burner
closeup
collar
construction
cut
dangerous
equipment
expertise
fence
fire
flame
foundry
gas
glasses
glow
hazardous
hot
industrial
industry
install
iron
job
liquid
machinist
manufacturing
metal
metallurgy
metalwork
night
occupation
outdoor
oxygen
pipe
production
profession
propane
red
repair
road
rust
spark
steel
tools
torch
weld
welder
welding
work