Random triples
| Subject | Object |
|---|---|
| gptkb:Albula_Tunnel | emergency exits |
| gptkb:Thames_Tunnel_Company | enhanced with modern technology |
| gptkb:Marmaray_Tunnel | monitored by authorities |
| gptkb:Severn_Tunnel | High safety standards maintained |
| gptkb:Tunnel_de_Mont_Blanc | high standards maintained |
| gptkb:Lötschberg_Base_Tunnel | high safety standards |
| gptkb:Queensway_Tunnel | safety drills conducted regularly |
| gptkb:Øresund_Tunnel | high standards |