I'd suggest going to your local auto parts store and finding their list of Haynes' manuals. A Haynes manual is published for (almost) every single car out there, covering the years that a particular model of car was produced. Then it tells you step-by-step how to fix problems, replace parts, and do most of your maintenance. Whenever I buy a used car, I stop on the way home to buy a Haynes manual.

In its quiescent state a row of felt dampers sit upon the strings stopping them from sounding. Once a key is pressed the responding damper lifts and a felt hammer strikes the string/strings. When the key is released the damper is pressed back onto the string/strings. If the sustain pedal is used it lifts all dampers allowing any notes struck to resonate including induced vibrations in unstruck strings.

Also the strings are arranged in a framework resembling a harp. The piano's wooden framework is designed to act as a tonal modifier and amplifier.

Craigslist.