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File (tool) facts for kids

Kids Encyclopedia Facts
DiamondFiles
Different kinds of hand files. The material has been made stronger with diamonds.
Surface of a file
Detail of a file

A file is a tool used to shape materials, by wearing away some of it. Today, files are usually made of a steel bar that has a rough surface. By rubbing the surface against a material, some of the material is scraped away. There are also nail files used to shape a person's fingernails. Files can also make a surface smooth so that there are no gaps, which is useful when two surfaces need to be attached to each other. A file is "blunt" if it is the same size on both ends, and "tapered" if one end is smaller than the other.

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File (tool) Facts for Kids. Kiddle Encyclopedia.