Stethoscope powerpoint presentation by Washeka Tamanna

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Published by Siam

Pavegen powerpoint presentation by Washeka Tamanna

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Published by Siam

Mobile phone powerpoint presentation by Washeka Tamanna

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Published by siam

driverless car powerpoint presentation by Washeka Tamanna

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Published by Siam

BMW powerpoint presentation by Foyezur Rahman

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published by siam

Atomic Bomb powerpoint presentation by Foyezur Rahman

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published by siam

Acid Rain powerpoint presentation by Foyezur Rahman

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published by Siam

THEORY OF RELATIVITY powerpoint presentation by Reza

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published by Siam

Statue of liberty powerpoint presentation by Reza

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published by Siam