| It must be completely leakproof, capable of withstanding low pressure and not having any high point. |
| His wheat-starch-based prototypes are sturdy, attractive, convenient to use, and just as leakproof as their polystyrene counterparts. |
| Specimens were collected and transported in clean, leakproof and labelled containers to the laboratory. |
| Homogeneous wastewater systems are completely leakproof and help to protect the environment. |
| The application of welding to join pipes in the 1920s made it possible to construct leakproof, high-pressure, large-diameter pipelines. |
| How could it possibly improve its incredibly durable, absolutely leakproof, lifetime-guaranteed bottles? |
