acetylene
beams
burning
construction
cut
cutting
dangerous
energy
equipment
factory
fire
flame
flows
fuel
gas
heat
heat metal
industrial
industry
iron
kindling
labor
light
man
manual
manufacturing
metal
metalwork
oxy
oxyfuel
oxygen
propaneoxygen
safety
site
slag
spark
sparkle
steel
stream
technology
temperature
tool
torch
torches
welding
work
worker