Given that the water rises from the surrounding region, sensors set off the walls to close and h2o tanks to fill alongside the barrier. This drinking water fat brings about the walls to drive firmly down on their foundation, maintaining floodwaters from breaching the gates. three. Aquobex flood guard Image https://riley-wallace.federatedjournals.com/cua-chong-ngap-la-gi-cach-chon-cua-phu-hop