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[Hardcore] Middle school students successfully conducted a hot test of their homemade liquid rocket
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![[Hardcore] Middle school students successfully conducted a hot test of their homemade liquid rocket](https://pic.bstarstatic.com/ugc/fd7dae3c6e499a96585c4d5d7df6d967.jpeg@720w_405h_1e_1c_90q.webp)