| Clue | Source | Date |
|---|---|---|
| Canal-clearing boats | The Times Concise | 19 Aug 2025 |
| They are designed to dig out drive with gardening tools (8) | ||
| Harbour-deepeners | ||
| Flour-sprinkling shakers | ||
| River-cleaning vessels (8) | ||
| Vessels used to clear sediment from canal and river beds | The Times Specialist | 09 Dec 2024 |
| Vessels used to deepen channels (8) | ||
| Vessels that make things deeper | The Guardian Quick | 02 Aug 2023 |
| Flour-sprinkling devices | ||
| Tunnel-building machines | ||
| Gold diggers, at times |