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  2. Maganese Heptoxide used as a Small Liquid Rocket

    Maganese Heptoxide used as a Small Liquid Rocket

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  3. SHOW AND TELL 118: Esbit Pocket Stove, W.Germany. NSN 7310-12-121-1689, 1936 design, solid fuel.

    SHOW AND TELL 118: Esbit Pocket Stove, W.Germany. NSN 7310-12-121-1689, 1936 design, solid fuel.

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  7. What are the harms of smoking cigarettes?

    What are the harms of smoking cigarettes?

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