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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."。关于这个话题，爱思助手下载最新版本提供了深入分析
You can find photos on other stock photography sites like pexel, pixabay and many more or simply upload your own photos.，这一点在Line官方版本下载中也有详细论述
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