About CD's

By abbasi
Oct 16, 2014
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  1. Hello all,

    I have some questions about Compact Disk (CD).

    1- What is the difference between the material of CD-R and CD-WR?
    2-What the polycarbonate level of CD for?

    Thanks in advance.
  2. learninmypc

    learninmypc TS Evangelist Posts: 6,551   +332

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