| 摘要 |
<p>A drainage component comprises a flexible panel having a water permeable surface 9 and an interior 1, 3, 5 providing for flow of water from the permeable surface 9 to an outlet 11. In use, the outlet 11 communicates with a drainage pipe 45, for example. Means 21, 17 are also provided for connecting the drainage component to the pipe. The drainage component can also be used for stabilising and/or ventilating ground, as well as draining ground. <IMAGE></p> |
