| The watertight seals over structural joints tend to deteriorate over time as the caulking becomes less sticky and dislodges. |
| The heat is oppressive, and you realize it the moment you step through the watertight door onto the weather deck of any ship in the gulf. |
| Seals and seams are known to be less than watertight, and many divers make do with damp suits rather than drysuits. |
| But even watertight concrete is not impermeable to the passage of moisture. |
| I quickly ran down the escape pod, and I locked the watertight hatch behind me. |
| Land Pride seeders protect falling seed by offering watertight seedbox lids, wind guards and low seed drop. |
