挖掘作业可能损坏地下管道或公用设施。

Also when digging operations have potential to strike underground pipelines or utilities.

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第十三条洁净室(区)内各种管道、灯具、风口以及其他公用设施，在设计和安装时应考虑使用中避免出现不易清洁的部位。

Article 13: the various pipes, light fixtures, ventilation points and other public facilities in the clean room (area) shall be designed and installed so as to avoid areas being difficult to clean.

youdao

第十三条洁净室(区)内各种管道、灯具、风口以及其他公用设施，在设计和安装时应考虑使用中避免出现不易清洁的部位。

Article 13: the various pipes, light fixtures, ventilation points and other public facilities in the clean room (area) shall be designed and installed so as to avoid areas being difficult to clean.

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