| 摘要 |
PROBLEM TO BE SOLVED: To provide a cleaning method capable of surely restoring the arrangement of objects to its original state after cleaning traders take out the plurality of objects set in the room and finish the cleaning work. SOLUTION: Pairs of cleaning labels 1 to 9 on which a pair of mutually different figures are marked are prepared, then, the cleaning labels 7 and 8 as one of the pair are stuck on the upper left part of a desk 20, and the cleaning labels 7 and 8 as the other of the pair are stuck on the wall surfaces 11 and 12 facing the upper left part of the desk 20 in the room 10. Thereafter, the desk 20 is carried out of the room 10 to clean the room. COPYRIGHT: (C)2009,JPO&INPIT
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