What if you need to draw a circle, and a compass at hand is not! To get out of this situation by making a simple compass of the bent and strapped to the pencil in the right place for a stylus pen, as shown in the figure.
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The first Japanese aircraft attacked on 7 December 1941 the American naval base at pearl Harbor and dropped bombs on it, was a compact carrier-based bomber, AICHI D3A. My first flight...
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A fluid or oil is supplied to market in plastic canisters of different capacities. A worn or leaky thrown into the garbage. However, one can do some useful things — for example,...
