| 摘要 |
A reflecting or transparent member such as a shower mirror having a hard surface is striated with a striating member sufficiently so that the surface is finely striated. The striating member has an abrasive surface that has a concentration of abrasives in the range of 100 to 500 grit. After the surface is striated, water is applied to the surface and the water coheres to the striations forming a thin lamina or sheet of water. The thin lamina prevents the condensation of water vapor on the surface when the temperature of the ambient air adjacent the surface falls below the dew-point.
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