Фото: Shatokhina Natalia / Globallookpress.com
During the ”snowball Earth” period about 700m years ago, Earth’s climate shut down. The planet was encased in ice and insulated from seasonal variations: spring, summer, autumn and winter all stopped. Or at least that was the theory.
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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."
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«Больше половины людей, которых мы теряем в ходе боевых действий, это потери из-за некомпетентности командиров и из-за незрелости военно-политического руководства страны», — сказал он.，更多细节参见safew官方下载