金属産業
alloy
aluminum
brightly lit
burning
cast iron
castiron cast
devil
ductile
effort
engineering
environmental preservation
factory
factory floor
fire natural phenomenon
flame
foundry
freight transportation
fuel and power generation
heat temperature
heavy
home finances
industry
iron metal
liquid
liquid cast iron
manufacturing
melting
metal
metallurgy
mill worker
molten
orange color
people
pouring
quality control
red
smoke physical structure
sparks
spheroid
steel
steel mill
technology
vat
worker
working
workman