The piano has 88 keys.
·
For years, ivory-covered keys
have been prohibited.
·
The key is the visible part of a sophisticated
percussion mechanism with over 20 components.
·
A white key measures 14.5 cm.
·
The keys are made of wood
and covered with plastic.
·
The weight of the key, designed to provide resistance
to the percussion mechanism, is approximately 50 grams.