On February 8, 2023, under the guidance and instruction of teacher Ngo Thuy Duong – Teacher of Grade 8A9 Ngo Si Lien Secondary School – Student group Hoang Tuan Phong and Hoang Tuan Long initially came up with the idea of manufacturing 1 garbage filter device to conserve water.
Through elaborate design and receiving many valuable comments from teachers, friends and relatives, the team has successfully built a water purifier model from easy-to-find materials. swords, such as PVC pipes, battery-powered motors, belts,…
After that, test on Seven-acre Lake- Thong Nhat Park:
*Test results: The model gives the expected results.
This is a valuable product that, if invested in expansion and put into production, can help remove a huge part of the garbage on the surface of rivers and lakes automatically.