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.
壳牌对健康、安全、保安与环保采取系统的管理措施，以求不断提高这方面的工作实绩。
Shell companies have a systematic approach to health, safety, security and environmental management in order to achieve continuous performance improvement.
我们提供有效的健康、安全、与环保培训。
We supply training for health, safety, and environmental protection.
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