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Lecture-02(Science) .mp4
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lecture-03-04(light part-02-sound-01)science .mp4
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lecture-05(sound part-02)Science .mp4
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lecture-14(polymer).mp4
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lecture-22(science) .mp4
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lecture-24-25-26(Electrical).mp4
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lecture-27(electrical).mp4
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lecture-28-29(electronics).mp4
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lecture-6-7(Science) .mp4
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lecture-8-9(Science) .mp4
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science-16-17(Food).mp4
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science-18-19.mp4
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science-20-21.mp4
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Suggestions(science).mp4
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Water(Science) .mp4
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আমাদের সম্পদ (Science) .mp4
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