 |
| |||
| préparation de la surface pour le vernissage | |||
| préparation des surfaces; préparation de la base | |||
| traitement de surface (corrosive protection) | |||
| surface preparation: 8 phrases in 5 subjects |
| Chemistry | 3 |
| Construction | 1 |
| Health care | 2 |
| Materials science | 1 |
| United Nations | 1 |