{'minerals': [1, 0, 2, 6], 'iron ore': [4, 0, 2, 5], 'zinc': [1, 0, 0, 2], 'copper': [1, 0, 1, 1], 'pig iron': [0, 0, 0, 1], 'aluminium': [1, 0, 3, 2], 'nickel': [1, 0, 0, 0], 'steel': [0, 1, 1, 0], 'carbon steel': [0, 0, 0, 1], 'group': [0, 1, 0, 0]}