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Submarine Diving Ball Floating Principle Demonstrator Physical Buoyancy Experiment Instrument Teaching Equipment

Submarine Diving Ball Floating Principle Demonstrator Physical Buoyancy Experiment Instrument Teaching Equipment

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Submarine ups and downs principle demonstrator physical buoyancy experiment equipment Archimedes' law experiment

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Submarine sinking and floating principle demonstrator physical mechanics buoyancy structure experimental equipment

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Submarine Float and Sink Demonstration Model Physical Buoyancy Scientific Experiment Equipment

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