Many wanted to join the coalition but had made difficulties in choosing the project and wondered what kind of industry and project to choose. Here, it is recommended that we could consider joining water purification units. The benefits of water purification shops are as follows: 1. Provision of high-quality drinking water: water purification machines sold at water purification shops can effectively filter impurities and harmful substances in water and provide clean and healthy drinking water. 2. Improvement of taste: water purification can make water more pure and sweeter and meet people's demands for a high quality of life. 3. Increased accessibility: water purification shops usually provide services such as installation, maintenance and repair, and provide accessible water treatment solutions. 4. Environmental contribution: water purification can effectively reduce water pollution and waste and contribute to environmental protection. 5. Health security: water purification agents a...