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