金属産業
burning
business finance and industry
cast iron
casting
danger
engineering
factory
flame
flowing
foundry
furnace
gold metal
gold colored
healthcare and medicine
heat temperature
heavy
industrial building
industry
iron metal
liquid
manufacturing
manufacturing equipment
melting
metal
metallurgy
metalwork
mill
mining natural resources
molding a shape
molten
occupation
orange color
place of work
pouring
production line
protection
sculpture
skill
social issues
steel
steel mill
steelmaking
strength
working
workshop