| Unit operations | |
 | Raw materials handling (131) |
| | Size reduction (788) |
| | Separation techniques (596) |
| | Heating, cooling (704) |
| | Decontamination (2) |
| | Other process technologies (129) |
Suppliers
| Unit operations | |
| | Raw materials handling (131) |
| | Size reduction (788) |
| | Separation techniques (596) |
| | Heating, cooling (704) |
| | Decontamination (2) |
| | Other process technologies (129) |
companies
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