 |
|
folding rule : 13 phrases in 6 subjects |
| Construction | 1 |
| Machinery and mechanisms | 1 |
| Metallurgy | 1 |
| Technology | 4 |
| Tools | 2 |
| Transport | 4 |
|
|
folding rule : 13 phrases in 6 subjects |
| Construction | 1 |
| Machinery and mechanisms | 1 |
| Metallurgy | 1 |
| Technology | 4 |
| Tools | 2 |
| Transport | 4 |