Many wanted to join the coalition but had made difficulties in choosing the project and wondered what kind of industry and project to choose. It is recommended here that a self-help car wash could be considered. There are many advantages to car washes: 1. Easy and fast: they usually provide modern equipment and efficient processes that make the process faster and easier. 2. Fair prices: car washes are usually cheaper than traditional car washes. Consumers are free to choose equipment and services, avoiding unnecessary costs. 3. Energy conservation for the environment: self-help car washes usually use water conservation techniques and environmentally friendly car wash agents to help reduce environmental impacts. 4. Private space: when car washes, consumers can enjoy private space and avoid the embarrassment of washing cars in public. Self-service: in car washes, consumers can choose services and equipment of their own, increasing the experience of self-service. In general, car washes...