abrading tool

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United States elections portal page linking to each election interactive

A History of U.S. Presidential Elections in Maps

United States Electoral College votes by state

How Many Electoral College Votes Does Each U.S. State Have?

Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society

12 Novels Considered the “Greatest Book Ever Written”

Click on image for enlargements of panel sections. The Ghent Altarpiece (open view) by Jan and Hubert van Eyck, 1432, polyptych with 12 panels, oil on panel; in the Cathedral of Saint-Bavon, Ghent, Belg.

The Most Stolen Work of Art

Aphrodite. Greek mythology. Sculpture. Aphrodite is the Greek goddess of love and beauty.

12 Greek Gods and Goddesses

Jackson (Wyoming, United States). Jackson Lake (also called Jackson Hole), southern end of the Teton Range (the Grand Tetons), Grand Teton National Park, Wyoming, USA

7 Wonders of America

Secret Service Agent Listens To Earpiece

Secret Service Code Names of 11 U.S. Presidents

abrading tool

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In hand tool: Cutting, drilling, and abrading tools
The same jagged crest on the Paleolithic chopper that developed into the ax also developed into another broad tool category, the knife, which combined a uniquely shaped sharp blade with a handle that optimized the position of the cutting edge.
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