Blank
In archaeology, a blank is a thick, shaped stone biface of suitable size and configuration for refining into a stone tool. Blanks are the beginning products of lithic reduction, and during prehistoric times were often created for trade or later refinement at another location. Blanks were often formed through the initial reduction of lumps of tool stone at simple quarries, often no more than easily accessible outcroppings of the local tool stone (although this was certainly not the case at Grimes Graves[?] in England). Sometimes the shape of the blank hints at the shape of the final tool it will become, but this isn't always the case. A blank may consist of either a large, unmodified flake or a reduced core, often with a rough subtriangular or lanceolate shape. Rough chopping tools, derived by removing a few flakes along one edge of the cobble, can also be considered to fall into this group.
A blank is also an important tile in the game of Scrabble. Rather than having one of the letters of the alphabet printed on it, it has a blank face and can be substituted for any letter you desire (comparable with the wild card or joker in card games, or with a wildcard character in telecommunication and computing). While you gain no points for playing a blank, it can enable the use of other tiles from your hand that would be otherwise useless.
A blank is also a type of cartridge for a gun that contains gunpowder but no bullet or shot. Blanks are commonly used for safety reasons in military training maneuvers, in movies that require gun fights and in starter's pistols[?] to signal the beginning of races.
Society
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A29827. Elsie Bambridge (C);
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A26733. Elsie Bambridge (C);
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A27465. Elsie Bambridge (C);
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On
wordlookup.net
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It uses material from the wikipedia.
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