| |||
| single-grain structure; single grain structure | |||
| |||
| elementary structures | |||
|
structure elementaire : 3 phrases in 3 subjects |
| Computers | 1 |
| Electricity generation | 1 |
| Natural resourses and wildlife conservation | 1 |
| |||
| single-grain structure; single grain structure | |||
| |||
| elementary structures | |||
|
structure elementaire : 3 phrases in 3 subjects |
| Computers | 1 |
| Electricity generation | 1 |
| Natural resourses and wildlife conservation | 1 |