一些国家仍在使用石棉 – 第 1 级

18-03-2025 15:00

石棉是一种坚固的材料。它存在于房屋和许多旧建筑中。人们使用它是因为它不会燃烧。

多年后,人们发现石棉非常危险。小块石棉会进入空气,使人生病。如果人们吸入这些碎片,就会患上肺部疾病。许多国家已停止使用石棉,但一些老建筑中仍有石棉。当工人修理或破坏建筑物时,他们必须小心谨慎。他们要穿上特殊的衣服,安全地工作。有些国家仍在使用石棉,因为它很便宜。

医生说石棉有害健康。如果人们认为家里有石棉,就不应该去碰它。他们应该请专家把石棉安全地运走。

您可以在三级部分观看原始视频。

小块石棉在空气中传播会带来哪些风险?如果有人认为家中存在石棉,该怎么办?

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