| 6.1.2.2.6. | The reflecting surface shall retain the characteristics laid down in paragraph 6.1.2.2.5. above in spite of prolonged exposure to adverse weather conditions in normal use. | a0c0 |
| 6.1.2.2.6. | The reflecting surface shall retain the characteristics laid down in paragraph 6.1.2.2.5. above in spite of prolonged exposure to adverse weather conditions in normal use. | a0c0 |