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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SPORTING CODE OF RAKATOMALALA
From January of 1976 in our country came into force new rules for rocketmodeler sport. The editors asked me to tell them the Chairman of the Committee on rocket modeling of the FAS of...
SPACED AXIAL
To hold the centerline on the workpiece will help the device shown in the figure.
