background
blast
bright
building
casting
china
combustion
danger
environment
equipment
factory
fire
flame
foundry
furnace
glowing
heat
heavy
hot
industrial
industry
interior
iron
ironworks
line
liquid
manufacture
manufacturing
melting
metal
metallic
metallurgical
metallurgy
mill
molten
plant
power
production
smelting
spark
steel
steelworks
technology
temperature
work
workshop