river flood alarm working model 3d for science exhibition – disaster management – diy
1. Introduction Good morning, respected judges, teachers, and my dear friends. Today, I am going to present my science project, “River Flood Alarm Working Model – Flood-Level Early Warning System.” Floods are among the most common natural disasters. Heavy rainfall, overflowing rivers, dam water releases, and poor drainage can cause floods. Floods can destroy houses, … Read more