配电系统中为了确保维护测试和检修人员的安全应有明显的断开装置。
To ensure maintenance in the distribution system, an evident breaking device should be set for the safety of testing and repair personnel.
在进行住宅维护和建筑工作时，记得穿戴安全鞋、手套、眼部和头部的防护装置以及其它的个人防护装置。
Remember to wear safety shoes, gloves, eye protection, hearing protection and other PPE when doing home maintenance and building projects.
石化企业中设备腐蚀问题不仅造成设备更新维护费用的增加，同时严重威胁着装置的安全运行。
The facilities corrosion problems in the petrochemical enterprises not only make the cost of replacing and maintaining facilities increased, but also threaten safe operation of thingamy severely.
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