| 摘要 |
PROBLEM TO BE SOLVED: To provide an inexpensive target for use in a urinal, which can attract the interest of a person relieving himself. SOLUTION: Characteristically, the seal target 1 for use in the urinal T, which is attached to an inner wall of the urinal T and used as a target when the person P relieves himself, has a surface discoloration layer 1a, which is discolored at a prescribed temperature, and an adhesive layer 1b for fixation to the inner wall of the urine T.
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