| http://www.w3.org/ns/prov#value | - The system monitors machines, e.g., machines 156, 157 and 158 (FIG. 1B), that are located at each laundromat, such as washing machines, dryers, snack vending machines, soda vending machines, bag vending machines, detergent machines, extractors, money changers and bar code readers.
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