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In communal living spaces, facilities such as laundry machines are often used by multiple people. Often, the number of machines is limited, and there are not enough dryers or washers for all those who want to use the laundry at a particular time. <This provides a hard limit on laundry throughput, but often there are periods of laundry inactivity.> Users do not have a reliable way to check several aspects of the laundry facility without being present in the laundry room:
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