DAMO_W.DiikerSifonHevel

Diver: A tube-shaped construction, possibly with a raised/lowered middle part, with the aim of ensuring the mutual connection between surface water, in principle interrupting the bottom of the watercourse, unlike that of the bridge. Siphon: Tube-shaped construction with a lowered middle part, fully filled with water and connecting two watercourses. Hevel: A tube-shaped construction with an elevated middle section that connects two mutually located waters.