Match the following based on the equipment usage in a comminution circuit:
| Equipment | Usage |
|---|---|
| P. Gyratory crusher | 1. Secondary crushing |
| Q. Cone crusher | 2. Grinding |
| R. Ball mill | 3. Sizing |
| S. Grizzly | 4. Primary crushing |
P-1, Q-4, R-2, S-3
P-1, Q-2, R-3, S-4
P-4, Q-1, R-2, S-3
P-3, Q-1, R-4, S-2
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