blast
building
business
cast
cast iron
casting
china
environment
equipment
factory
fire
flame
foundry
furnace
glowing
heat
heavy
hot
industrial
industry
iron
ironworks
ladle
line
machinery
manufacture
manufacturing
melting
metal
metallic
metallurgical
metallurgy
mill
molten
people
plant
power
production
red
smelter
smelting
spark
sparks
steel
steelworks
technology
work
worker
workshop