It is necessary to give the instrument the right amount of attention and care to preserve its value. One of the rules is not to put objects on the piano. They can cause damping, vibrations, or surface damage.
Another rule is to tune the instrument regularly. Newly bought pianos need to be tuned two or three times during the first year. The following years depend on the usage time and intensity, however, it is essential to tune the instrument at least once a year.
Recommended terms and principles, listed below, help to keep the surface of the instrument: