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Archaeologists define a chopper as a pebble tool with an irregular cutting edge formed through the removal of flakes from one side of a stone. Choppers are crude forms of stone tool and are found in industries as early as the Lower Palaeolithic from around 2.5 million years ago.
This scraper type is common at Paleo-Indian sites in North America. Scrapers are one of the most varied lithic tools found at archaeological sites. Due to the vast array of scrapers there are many typologies that scrapers can fall under, including tool size, tool shape, tool base, the number of working edges, edge angle, edge shape, and many more.
Other times, the simple shape and sharpness serves the designed role. Blades were often employed in the impression process of material culture, assisting ancient humans in imprinting ornate designs into other parts of their material culture. Scrapers, used for hide working or woodworking, or burins, used for engraving, are two common such examples.
Dollar Tree stores in the U.S., as of December 2020 [3]. Dollar Tree, Inc. is an American multi-price-point chain of discount variety stores.Headquartered in Chesapeake, Virginia, it is a Fortune 500 (sometimes referred to as Fortune 200) company and operates 15,115 stores throughout the 48 contiguous U.S. states and Canada. [2]
The scraper in the center of the image is a three corner scraper and is typically used to deburr holes or the internal surface of bush-type bearings. Bushes are typically made from bronze or a white metal. The scraper pictured at the bottom is a curved scraper. It has a slight curve in its profile and is also suitable for bush bearings ...
Three views of a flint cleaver from Griquatown, Northern Cape Province, South Africa Three-view diagram. In archaeology, a cleaver is a type of biface stone tool of the Lower Palaeolithic. Cleavers resemble hand axes in that they are large and oblong or U-shaped tools meant to be held in the hand. But, unlike hand axes, they have a wide ...
Basic abstract diagram of a staple, with parts labelled. Shown in isometric-projection pseudo-perspective (not true perspective view). Self-made SVG file, based loosely on File:Staplediagram.JPG. Converted from the following PostScript vector sour
Vintage boot-scraper in Baden-Baden. A boot-scraper, [1] door scraper, [2] mud scraper, or decrottoir is a device consisting of a metal blade, simple or elaborate, permanently attached to the wall or to the sidewalk at the entrance to a building to allow visitors to scrape snow, mud, leaves, or manure off the soles of their footwear before entering.