In 1986, the Challenger spacecraft suffered a catastrophic failure seconds after launching, killing all seven crew members on board.
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Жителям региона также напомнили о том, что запрещено снимать беспилотники и работу противовоздушной обороны (ПВО). Кроме того, попросили доверять только официальной информации.，这一点在同城约会中也有详细论述
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But e-bikes containing lithium-ion batteries are a newer challenge. "When a battery fails, it doesn't necessarily ignite, it will often produce some off-gases," says Stephen Welch, senior lecturer at the University of Edinburgh's Fire Research Centre. "Those off-gases are toxic and flammable. If they accumulate, you can have an explosion risk."