Super-Strong Shelves

When building a bookshelf for a lot of books or shelves for heavy electronics, you'll want to build super-strong shelves, much stronger than a single thickness of 3/4-inch plywood or other stock will provide. In this article, find some woodworking ideas for building super-strong shelves to help support a set of encyclopedias, a lot of big books or other heavy items.

Source: http://woodworking.about.com/od/dealingwithproblems/qt/SuperStrongShelves.htm

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