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| hopper head; rainwater cistern; rainwater head; roof outlet; roof drain; leader head (wikipedia.org Lonely Knight) | |||
| roof gulley (wandervoegel) | |||
| водосточная воронка: 27 phrases in 5 subjects |
| Architecture | 1 |
| Construction | 15 |
| Ecology | 1 |
| Energy industry | 1 |
| Technology | 9 |