| |||
| diamètre extérieur | |||
|
outer diameter : 4 phrases in 4 subjects |
| Electronics | 1 |
| Medical appliances | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 1 |
| |||
| diamètre extérieur | |||
|
outer diameter : 4 phrases in 4 subjects |
| Electronics | 1 |
| Medical appliances | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 1 |