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