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."
▲ Surface Laptop
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字节旗下首个独立上市子公司要来了？懂车帝称“暂时不回应”，推荐阅读搜狗输入法下载获取更多信息
Here's a subtle hint for today's Wordle answer:Lightheaded.