Electrical installations for outdoor sites under heavy conditions - terms and definitions 严酷条件下户外场所电气设施术语和定义
2.
Electrical installations for outdoor sites under heavy conditions - general protection requirements 严酷条件下户外场所电气设施一般防护要求
3.
Leisure and cultural services department would protect the public from mosquito bites by deploying around 80 mosquito trapping devices in popular outdoor venues 康乐及文化事务署会在人流高的户外场所放置约八十个蚊子诱捕器,以免市民被蚊子叮咬。