background
blast
bright
casting
china
construction
environment
equipment
factory
fire
flame
foundry
furnace
glowing
gold
heat
heavy
hot
industrial
industry
iron
ironworks
landscape
light
liquid
manufacture
manufacturing
melting
metal
metallic
metallurgical
metallurgy
mill
plant
pour
pouring
power
production
red
smelting
spark
steel
steelworks
technology
temperature
work
workshop