| Unit operations | |
 | Raw materials handling (131) |
| | Size reduction (788) |
| | Separation techniques (594) |
| | Heating, cooling (704) |
| | Decontamination (2) |
| | Other process technologies (129) |
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| Unit operations | |
| | Raw materials handling (131) |
| | Size reduction (788) |
| | Separation techniques (594) |
| | Heating, cooling (704) |
| | Decontamination (2) |
| | Other process technologies (129) |
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