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ID number:220764
Published: 22.09.2011.
Language: English
Level: Elementary school
Literature: 7 units
References: Not used
Table of contents
Nr. Chapter  Page.
  Cave paintings   
  Smoke signal   
  Braille System   
  Road signs   
  Crop circles   
  Mobile phones and Internet   

In the history of mankind there have been numerous types of communication
People are social beings, therefore different types of communication are essential for us to live in a society…

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