| filt | |
| industr. | Walkfilz |
| industr. construct. | feiner Filz; Filz; filziger Stapel |
| filter | |
| gen. | Atemgeräteinsatz |
| construct. | Filterzone |
| el. | Filterkreis; Wechselstromseitiges Filter |
| environ. | Filter; Staubabscheider |
|
Chebyshev : 1 phrase in 1 subject |
| Communications | 1 |