我已经通过电子邮件和一些读者进行了讨论，他们曾经出席过与健康与安全或者环保有关的话题的演说现场。
I've had email discussions with a number of readers who present on topics such as health and safety issues or environmental regulations.
建设环保设施系统，可以帮助供应清洁用水，减少污水的外溢，减少洪水和加强社区健康和安全。
Green infrastructure incorporates natural systems that can help supply clean water, reduce polluted runoff, reduce sewer overflows, minimize flooding and enhance community health and safety.
严格执行职业、健康、安全和环保的守则。
Ensure enforcement of employment, health, safety and environmental rules.
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