aluminum
アルミニウム
aluminium
background
blast
bright
cast
casting
cleaning
dross
electric
environment
equipment
factory
fire
flame
foundry
furnace
heat
heavy
hot
industrial
industry
iron
light
liquid
manufacture
manufacturing
melting
metal
metallurgical
metallurgy
mill
molten
plant
power
production
red
skimming
smelter
smelting
steel
technology
temperature
work
worker
workshop
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