The cleaning of the glass is a very troublesome part. If it is slightly dirty, it will affect the appearance, so the cleaning frequency of the glass is also very high. In life, before cleaning the window, first determine whether you need a wet wipe, because there is a step of drying when there is a wet wipe action, such as the window on the indoor side is mostly light dust, you can use dry cleaning Just fine. The dust on the window track should be cleaned with a brush first.