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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SAWING STRINGS
Guitar string can optionally play to the role... for the blade of the jigsaw. To do this, cut the strings no 5, 6 or 7 must be freed from the braid, insert the jigsaw and rhombic or...
YOUR “WATER TOWER”
Water for household needs and irrigation is supplied to a suburban area from the aqueduct or from a well (well of water) pump. In the case of breakage of the pump or too low pressure...
