Random triples
| Subject | Object |
|---|---|
| gptkb:Channel_Tunnel | state-of-the-art engineering |
| gptkb:Marmaray_Tunnel | advanced signaling systems |
| gptkb:Gotthard_Base_Tunnel | state-of-the-art |
| gptkb:Lötschberg_Base_Tunnel | advanced tunneling technology |
| gptkb:Moffat_Tunnel | utilizes modern engineering techniques. |