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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ICE-FREE WATER
I want to share my experience in the construction of the winter water supply for periodically heated garden (suburban) home. Operation of my water supply in winter 2012/13, when the...
FIRST — BOLT
A very common version of the Assembly using the bolted connection; round nut having auxiliary external thread, screwed into a prepared wood hole (nest). When the pipe Assembly in such...
