Category:Natural Materials: Difference between revisions
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These materials occur naturally on planet earth. Membership in this category is necessary, but not sufficient, for membership in [[:Category:NAWO]]. | |||
[[Category:Materials]] | [[Category:Materials]] | ||
Revision as of 13:29, 25 June 2019
These materials occur naturally on planet earth. Membership in this category is necessary, but not sufficient, for membership in Category:NAWO.
Subcategories
This category has the following 6 subcategories, out of 6 total.