3 months ago
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grade 7
3 months ago
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Like every year, teams of students described to all the students in the schoolyard the experiment conducted by Eratosthenes in […]
5 months ago
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5 months ago
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Balanset-1A: Balancing made easy and applicable Rotor imbalance is a frequent cause of equipment failures, second only to bearing wear […]
8 months ago
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