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    Self defense against dog attack
    4:40

    Self defense against dog attack

    This is a very important video for you to learn how to defend your self from a dog attack during your day today life.
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    How does an Electric DC Motor work?
    10:03

    How does an Electric DC Motor work?

    If you are interested to know how a motor works on DC power supply this is the best one for you. By watching this video you will be well conversed with motor operation.