acetylene
carbon dioxide
construction
cotton gloves
craftsman
cutting
danger
dangerous
dark
energy
equipment
expertise
factory
fire
flame
gas
glow
hazardous
helmet safety
hot
industrial
labor
laborer
leather gloves
light
manufacture
manufacturing
men
metal
people
safety equipment
skill
smoke
sparks
steel
tech
technical
technology
tools
weld
welder
welding
welding head
welding machine
welding mask
welding metal
welding sparks
work
worker