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Documents in the NTIS Technical Reports collection are the results of federally funded research. They are directly submitted to or collected by NTIS from Federal agencies for permanent accessibility to industry, academia and the public.  Before purchasing from NTIS, you may want to check for free access from (1) the issuing organization's website; (2) the U.S. Government Printing Office's Federal Digital System website; (3) the federal government Internet portal; or (4) a web search conducted using a commercial search engine such as

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"Scanning" is the first step in the digitizing process. Scanning creates an electronic "image" of the source document. Digitizing is taking the scanned image and adding value: searchability, data capture and metadata. This creates an electronic product with uses far beyond that of the paper source.

Document Digitizing is the fastest, most efficient way to distribute information. It enables the preservation of important documents, and for images to be immediately accessible by multiple users simultaneously. The result is a highly efficient, low-cost medium for sharing accessible information.