Flood barriers for firefighting rescue emergency flood kit

Besides flood water diverts, box-wall are also useful during fire rescue, chemical spill control. Since they can use 12 pcs of inward to make a pool. This temporary cofferdam can work as a mobile water supply. How does the Flood Barrier work? Why it can stand and not fall down in the water flow? That is the L bookend principle. When water flow comes, our flood barrier will be even more stable stick to the earth. The water pressure anchored the watergate. That is amazing.

60CM height Flood barrier inward specification