black
bright
cast
casting
covered
crust
cup
factory
fill
fire
flame
flow
foundry
freezing
furnace
glowing
gold
heat
heavy
hot
industrial
industry
iron
ladle
lava
liquid
manufacture
manufacturing
melt
metal
metallic
metallurgical
metallurgy
mold
molten
net
orange
plant
pour
red
slag
smoke
spark
steel
surface
thick
trash
work
yellow