金属産業
alloy
aluminum
automobile industry
bronze alloy
building activity
burning
business
cast iron
concentration
concepts and ideas
cooper
creativity
effort
engineering
factory
fire natural phenomeon
flame
foundry
furnace
glowing
gold
heat temperature
heavy
industry
iron metal
iron pour
ladle
llead
making
manufacturing
material
melting
metal
metallic
metallurgy
mining
molten
occupation
organization
pouring
silver metal
slag heap
smoke physical structure
sparks
splashing
steel
technology
vat
working