| 摘要 |
The window box (20) has a double wall and two inverted U-supports (10) for fastening on a railing (11). Between the internal (12) and external (13) walls is a double bottom (14) which contains a water reserve for plant irrigation. The hole (15) serves for controlling the quantity of water in the double bottom, allowing any excess to flow out. The support has a hole (16) for the introduction of a safety peg (17) for preventing detachment of the window box from the railing.
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