| 摘要 |
<p>A tank made of a plastic material, comprising at least one opening for conducting liquid into the tank. The inner surface of the tank (1) is substantially torus-shaped. The tank (1) can be provided with partitions (7) so that chambers are formed in the tank. The upper part of the partitions (7) can be provided with one or several holes, via which the waste liquid is able to flow from one chamber to another, i.e. the tank (1) operates as a septic tank.</p> |
