Living hinge

的嗒糖盒子的聚丙烯蓋子，在蓋子上面有活動鉸鏈（英语：Living hinge）與塑膠分類標誌

（原始内容存档于2011-07-07）.  Murtaugh, Dan; Krystal, Chia. China's Climate Goals Hinge on a $440 Billion Nuclear Buildout. Bloomberg. 2021-11-02 [2022-07-31] （英语）

2013-04-13 [2013-04-14].  Murtaugh, Dan; Krystal, Chia. China's Climate Goals Hinge on a $440 Billion Nuclear Buildout. Bloomberg. 2021-11-02 [2022-07-31].