Water is the source of life. The gathering place represented by the campus is the representative of the high concentration of people who need a lot of mental or physical activity.

With the development of the economy and the improvement of living standards, my country's tourism industry has developed in recent years, and more and more people tend to travel on holidays.

The people's livelihood place represented by the government is oriented to the public and serves the people's livelihood. It guarantees its trust, authority and influence in society with the basic principles of serving the people and good credibility. At present, some government office equipment is old, or traditional water boilers are still used, which not only poses the risk of secondary pollution of drinking water, but also is not convenient and fast enough, and energy conservation and environmental protection are also lacking.

As a leisure and consumer place for people to entertain and relax, hotels have high consumption that prompts customers to have an inevitable pursuit of high-quality services. At the same time, it also promotes enterprises' demand for high-quality, low-input and high-profits.