black
blast
bright
cast
casting
cup
factory
fill
fire
flame
flow
flowing
foundry
furnace
glow
glowing
heat
heavy
hot
industrial
industry
iron
ladle
liquid
manufacture
manufacturing
material
melt
melting
metal
metallic
metallurgical
metallurgy
mill
mold
molten
orange
pour
poured
pouring
red
slag
smoke
spark
steel
tapping
technology
work
workshop