Random triples
| Subject | Object |
|---|---|
| gptkb:International_Regulations_for_Preventing_Collisions_at_Sea_(COLREGs) | Technical details of sound signal appliances |
| gptkb:International_Regulations_for_Preventing_Collisions_at_Sea_(COLREGs) | Distress signals |
| gptkb:International_Regulations_for_Preventing_Collisions_at_Sea_(COLREGs) | Technical details of lights and shapes |
| gptkb:International_Regulations_for_Preventing_Collisions_at_Sea_(COLREGs) | Additional signals for fishing vessels |