| 摘要 |
PROBLEM TO BE SOLVED: To provide a water collecting floor plate for preventing the corrosion of a floor caused by a bathroom entrance getting wet with water. SOLUTION: The waterproof plate is formed of plastic, FRP, or the like of square shape of 600 mm-800 mm, which is sized to the sash width of the bathroom entrance or in a range of preventing the spill of water drops from the body. Bank-like step difference is provided at the periphery, and a slightly conical inclination is provided from the outer periphery toward the center to collect water to the center.
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