Natural materials
A natural material is any product or physical matter that comes from plants, animals, or the ground. Minerals and the metals that can be extracted from them (without further modification) are also considered to belong into this category.
Items made with natural materials
[edit | edit source]- Pine resin pavement
External links
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| License | CC-BY-SA-3.0 |
| Cite as | "Natural materials". Appropedia. 2008–2025. Retrieved June 6, 2026. |