| |||
| three-square file | |||
| three square file; three-corner file; triangular file | |||
| lightning file | |||
|
lima triangular : 9 a las frases, 4 temas |
| Herramientas | 1 |
| Industria | 1 |
| Ingeniería mecánica | 4 |
| Tecnología | 3 |
| |||
| three-square file | |||
| three square file; three-corner file; triangular file | |||
| lightning file | |||
|
lima triangular : 9 a las frases, 4 temas |
| Herramientas | 1 |
| Industria | 1 |
| Ingeniería mecánica | 4 |
| Tecnología | 3 |