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着重阐述了铅的污染与对人体健康危害情况及应采取的预防措施。这些预防措施都是简单可行的，对于减少铅的污染，免受它的危害，增进人体健康都有十分的重要意义。
Emphasis is placed on the pollution of lead and its harmfulness to human health and the precautions to be taken. These preventive measures are simple and feasible, for the reduction of lead pollution, from its harm, improve human health are of great significance.