| 摘要 |
A control system to monitor and maintain various operations, which can include plant maintenance operations, including having a computerized database of the operations to be monitored, providing a data-logger onto which can be downloaded the required operations, selected in any required way, means on the data-logger to indicate that the operation has been effected, and means whereby the records on the data-logger can be uploaded to the computer to update the records thereon. There is also provided a data-logger for use with such an system.
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