boiling
casting
close
colour
conveyer
enterprise
factory
fire
flame
founding
foundry
furnace
heat
heavy
horizontal
hot
indoor
industry
iron
ladle
macro
manufacture
manufacturing
melt
melting
metal
metallurgy
mill
mining
molded
molten
nobody
ore
plant
pot
processing
production
red
rolling
scoop
slag
smelting
steel
sun
temperature
transport
up
work