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What is Blue Ray Disc?

By on August 17, 2010

blue ray disc

Please click on the photo for more information about Blue Ray Disc



  1. Muhammad Ataullah

    August 22, 2010 at 1:21 pm

    Hi,Mr.Yong:Thank you for downloading yours books,its very nice practical books,English very simple to under stand,I have questing about yours technique,you used only analog meter ,but technician mostly use digital meter,do you feel any advantage analog multimeter?

  2. admin

    August 23, 2010 at 3:10 am

    Hi Muhammad,

    Many semiconductor components like diodes and transistors could test okay with digital meter but fail when tested it with analog meter.



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