| 1 | Among all commodities, nickel and copper are under particular stress. | |
| 2 | In fact, half of the increased global demand for nickel goes to China. | |
| 3 | Vale has plans for organic expansion in nickel, copper, coal and potash. | |
| 4 | The authors were left with a nickel wire mesh that was mostly empty space. | |
| 5 | They take an atom of lead, accelerate it and have it collide with an atom of nickel. |