To manage and track rapid repair and servicing, the office has an elaborate contracting framework in place backed by a computerized database and parts tracking system.

办公室通过一个计算机数据库和配件跟踪系统建立有一个详细的合约框架，来保证快速修理和服务。

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Nearly four million people ride the Cairo Metro each day, a network stretching out over 69.8km of track and servicing 57 stations.

BBC: Subway systems by the numbers

Personally, I used a Microsoft Excel spreadsheet to keep track of the servicing of a car for nearly ten years.

CNN: Use your Mac to track your money