| Filter | |
| gen. | filtro; filtros |
| el. | colector de filtro; filtro de frecuencia; filtro; plantilla |
| environ. | separador de polvo; filtros; filtro de polvo |
| mech.eng. | depurador |
|
passiver : 10 phrases in 7 subjects |
| Antennas and waveguides | 1 |
| Automatic control | 4 |
| Economics | 1 |
| Information technology | 1 |
| International Monetary Fund | 1 |
| Reliability | 1 |
| Technology | 1 |