| 摘要 |
<p>The device (10) is made of cardboard and coated with a layer (14) printed with particular patterns. The sheet (10) is divided by pre-determined folding lines (16) into segments (18a, 18b, 18c) facilitating the folding for storage. Perforated lines can be used for pressing a shape out of the sheet (10) which can be designed for serving various purposes. It can be printed with a pattern facilitating its use as a warning sign or with a pattern making it suitable for being used as a toy.</p> |
