金属産業
burning
business finance and industry
car
cast iron
casting
chemical
danger
engineering
factory
fire natural phenomenon
flame
founder
foundry
fumes
furnace
heat temperature
heavy
heavy industry
hell
industrial revolution
industry
iron metal
ladle
liquid
manual worker
manufacturing
manufacturing equipment
melting
metal
metallurgy
molding a shape
molten
pattern
poisonous
pouring
quality
sculpture
slag heap
social issues
steel
steelmaking
technology
temperature
toughness
vat
work tool
working
workshop