1
are for your presentation to look striking
2
it is for what it serves powerpoint
3
is what you can find in wikipedia
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you can put this type of decoration to decorate the background
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is what you can put to make your presentation more eye-catching
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is what you can put in your presentation
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is what you can see on youtube
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is the information that you put to your presentation
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pictures
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is what you can also download in itunes or in deezer
