| 摘要 |
<p>The module has a seeping block (2) including a retention area for retaining inflowing water, and lifting devices for allowing lifting of the seeping block by a fork-lift truck. Two recesses (3, 3 ') for engaging forklift teeth of a fork-lift truck are attached to the seeping block as the lifting devices in a wall. The recesses are detachably attached to a stop unit that engages to the recesses in a form fit manner. The retention area are attached to a dome for supporting wall surface opposite to each other.</p> |
