Science Fair Project Encyclopedia
Category:Materials
Materials are inputs to production or manufacturing. They are often raw–that is, unprocessed–but are sometimes processed before being used in more advanced production processes.
Subcategories
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Articles in category "Materials"
There are 100 articles in this category.03-10-2013 05:06:04
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details


