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In our daily life, we use water in many different ways such as washing vegetables, fruits and so on. However most of us don't know which is the most proper temperature to use. When the temperature is too high, it will cause the loss of nutrition while our skins may feel a bit uncomfortable when it is too low. We even don't know how much is the proper water to use .This kind of faucet can help you choose a proper temperature and evaluate a proper quantity according to which you wash. Meanwhile, the faucet can help you avoid wasting water by its special flow form.