References. 1  5 U.S.C. 5504. 2  5 CFR part 550, subpart F. 3  GAO Study - August 26, 1981 (PDF file) [353.6 KB] 4  How to Compute Rates of Pay. 5  Salary Tables and Related Information. 6  Guidance on Pay Caps in Calendar Years with 27 Pay Days (external link)
A harpsichord is a keyboard instrument, similar to a piano, that  has an array of strings plucked by a device called a plectrum (or  pick), which is actuated by mechanisms â¦ attached to the keys.  Historically, plectrums were made of quill, but today they are  mostly made of plastic.
The other type of instrument that gives music is the keyboard instrument. The keyboards are available in different types and one is the percussive like the piano. There is another type that can be plucked and played. The strings are plucked or striked to give you the sound.iolin (Image source: sxc.hu). The string instruments are used to produce sound with the help of vibration. The strings are to be pulled or plucked. The mode of use to create the vibration makes the difference in different string instruments.