读报
登录注册网站首页
 

SUPER SCIENCE

Backpack to the future

作者:TEENS
Aa
  • -   
  •    +


 

可回收的背包

Backpacks are usually made of five to 10 materials (材料). It is hard to recycle them. A German company made the world’s first recyclable backpack. It uses only one material. Some parts are 3D printed. It can go back to the factory at the end of its life cycle.

点击阅读全文
联系我们  |  诚聘英才  |  关于我们  |  版权声明
© i21st.cn   京ICP备2024066071号-1
 
选择报纸
选择报纸
关闭