 |
| |||
| closed pores | |||
| close pores | |||
| non-intercommunicating cells; closed pommels | |||
| |||
| cavity | |||
| cave | |||
| закрытые поры: 31 do fraz, 10 tematyki |
| Astronautyka | 4 |
| Budownictwo | 2 |
| Leśnictwo | 1 |
| Materiały budowlane | 1 |
| Nanotechnologia | 10 |
| Polimery | 3 |
| Sachalin | 1 |
| Sachalin r | 1 |
| Technika i technologia | 6 |
| Tworzywa sztuczne | 2 |