| |||
| three-square file | |||
| three square file; three-corner file; triangular file | |||
| lightning file | |||
|
lima triangular : 9 phrases in 4 subjects |
| Industry | 1 |
| Mechanic engineering | 4 |
| Technology | 3 |
| Tools | 1 |
| |||
| three-square file | |||
| three square file; three-corner file; triangular file | |||
| lightning file | |||
|
lima triangular : 9 phrases in 4 subjects |
| Industry | 1 |
| Mechanic engineering | 4 |
| Technology | 3 |
| Tools | 1 |