| 摘要 |
PURPOSE: A carton straw is provided, which makes separate collection facilitated since the straw and milk pack are made of the same material. CONSTITUTION: A carton straw has a form of trapezoid, is environment-friendly, and facilitates the separate collection. The carton straw is designed for the separate collection. Many milk packs are scavenged in the common trash can while the straw being inserted. In this way, when throwing away a trash can, the straw is taken out, separated, and collected. |
