International Universal Recycling codes

In the decades since this time, the Universal Recycling Symbol has vastly grown in use, being int...

Recycling codes are used to identify the different material from which an item is made, ... The t...

Developed by the International Corrugated Case Association, this symbol indicates that corrugated...

國際通用資源回收編碼（International Universal Recycling Codes）. 1301.

They said when people were asked to identify a set of four recycling symbols, including the unive...