ELI5: Explain Like I'm 5

Material passport

A material passport is like a passport for materials. If a material is used for something, it's passport will track its journey and will tell you information about the material. For example, if you have a material that is used to build something, it will tell you where it comes from, who made it, and where it has been used before. This way, you'll have a better understanding of what the material is and you'll know if it's safe to use.
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