Is a serious water shortage in China, is the world's per capita water resources are one of the few 13 poverty stressed. Water is also the hotel one of the most important operational costs, how to save water are issues of concern to every hotel.
Inkjet printers on the market cost more than 100 Yuan/set, but when you run out of supplies to buy cartridges found a cartridge even more than the price of a printer. Similarly, many configurations of the hotel bath while their prices are cheap, but the hot water used to bathe once a number times the value of bath itself.
Note: when choosing a shampoo bath water consumption levels need to be considered, that is, how much water to completely rinse. not the blind pursuit of rich foam.