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 devices provided by water purification shops can be effective in improving the taste of drinking water and providing access to better water. 3. Cost savings: the purchase of water purification units in water purification shops can provide better water quality and reduce the cost of purchasing bucket water. 4. Environmental protection: water purification units provided by water purification shops can not only help to protect the environment but also re...