All tools and equipment must be in a clean and serviceable condition.
所有的工具和设备都必须处于干净好用的状态。
Proper maintenance is the key to keeping vehicles, equipment, and other materials in serviceable condition.
妥善保养的关键是保持车辆，设备，和其他材料的使用的状况。
The Chief Officer must control the loading computer and its software and maintain the equipment in serviceable condition at all times.
大副必须管理装载电脑和软件，使它们一直工况良好。
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