along
black
blast
bright
cast
casting
chute
cup
factory
fill
fire
flame
flow
flowing
foundry
furnace
glowing
gold
guide
heat
heavy
hot
industrial
industry
iron
ladle
liquid
manufacture
manufacturing
melt
metal
metallic
metallurgy
mill
mold
molten
orange
plant
pour
red
smoke
spark
steel
stream
tapping
work
workshop
yellow