| The total surface of all obstructions shall not exceed the provision of paragraph 15.2.4.9.1. or 15.2.4.9.2. at the same time. | a0c0 |
| The total surface of all obstructions shall not exceed the provision of paragraph 15.2.4.9.1. or 15.2.4.9.2. at the same time. | a0c0 |