2. To choose the temperature of the cleaning solution, it is recommended to clean with water or a water cleaning solution. The temperature should be around 40-60℃. Cavitation easily occurs after the temperature rises, so the cleaning effect will be better.
3. The choice of power, the effect does not have to be proportional to the power. Sometimes a small power may be used, which takes a long time but does not remove the dirt. If the power reaches a certain value, the dirt may be removed quickly.