Do it practical you will understand. Try to move only one hand like you are making a circle or in a round direction. While moving the the other hand in a up and down direction. Dont stop the other hand please move both the hands. And I cant explain it more. Sorry.

Dear student
 
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I CANT REMEMBER IT .
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This is not a question. If it is a question only, ask. Otherwise delete you account.
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i dont know
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can you please elaborate your question......
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What are you looking for?