| 摘要 |
<p>The device has a vertical handle (1), a plate (2), a set of vertical ends (3) and a pair of staircases that is fixed on the plate. The pair of staircases is utilized for allowing kittens and cats to reach a surface of a foot bridge. The plate is arranged with an opening, and a window (4) is able to be tilted slightly. The plate is located between a fixed part and the window. A base of the device is fixed when the kittens and the cats walk through the device.</p> |
