arc
blast
bright
burning
casting
construction
dangerous
dirty
electric
environment
equipment
factory
fire
flame
foundry
furnace
glow
heat
heavy
hot
industrial
industry
iron
light
liquid
manufacturing
melting
metal
metallurgical
metallurgy
molten
plant
pour
power
process
production
red
sample
spark
sparkle
steel
taking
technology
work
workshop