
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 TOWN OF TIRES
For the proposed universal physical campus, classes designed for both teenagers and adults, just a small free site (dimensions 5x5 m), where you can install 8 — 15 shells made...
Rare box of use
Chetyrehmillimetrovoy Small sheet of plywood, 10 mm thick plate, nails or screws: all this is enough to make an extra drawer in the kitchen table with a folding cover. It is possible to...