| 摘要 |
<p>A sheet including a substrate having on one face a multiplicity of tangible signalers for signaling the wearer on occurrence of urination. The substrate has urine-soluble matter on the face establishing a non-signaling condition of the tangible signalers. The urine-soluble matter is dissolved by the urine on urination enabling signaling by the tangible signalers.</p> |
