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Dual-tone multi-frequency Reference Libraries

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Telephone
2010-10-04 16:28:51

The telephone is a telecommunications device that transmits and receives sound generally the human voice. The phone's basic function is to allow people who are separated by large distances to talk with each other. The telephone is used across the world and is one of the most common appliances in the developed world. The phone is designed to have a microphone, an ear piece which reproduces...

Word of the Day
omphalos
  • The navel or umbilicus.
  • In Greek archaeology: A central boss, as on a shield, a bowl, etc.
  • A sacred stone in the temple of Apollo at Delphi, believed by the Greeks to mark the 'navel' or exact center-point of the earth.
'Omphalos' comes from the ancient Greek.
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