background
bright
brown
burning
business
cast
casting
die
equipment
factory
flame
foundry
furnace
glowing
heat
heavy
hot
industrial
industry
iron
light
liquid
manufacturing
melting
metal
metallic
metallurgic
metallurgical
metallurgy
mill
mine
mining
molten
orange
ore
plant
pouring
raw
red
smelting
sparks
steel
technology
work