abstract
acetylene
bright
brilliant
construction
crafts
craftsman
cutting
danger
dangerous
dark
equipment
expertise
factory
fire
flame
flash
foundry
gas
glow
hand
hazardous
hot
industrial
industry
labor
laborer
light
machinist
manufacture
manufacturing
metal
plant
power
skill
sparkle
sparks
steel
tech
technical
technology
tools
torch
weld
welder
welding
work
worker
workshop