 |
| |||
| sow; feeder | |||
| |||
| distributary; branch duct; secondary canal | |||
| parallel duct (vertical ventilation duct, parallel to the main exhaust duct); tributary channel | |||
| accessory canal | |||
| adjacent channel; delta channel | |||
| lateral canal; lateral channel | |||
| Nebenkanäle: 3 phrases in 1 subject |
| Agriculture | 3 |