Lightweight and durable it turns out tuesok of birch solid “pipes”, accurately taken with an older birch deck. It is good to walk with him in the forest for berries and mushrooms. However, forest products fall out of sync, and I want to collect both. Not to blame everything in one pile, make a partition, as shown in the figure. It can be foldable and even a two-story, with the intermediate disc spacer.
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GEAR MAKES GEAR
quickly and Easily you can make gears on a lathe with modular knurling. But the trouble is that this tool is so scarce that not even all the modelers and heard something about it....
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To debug transistor-based hardware is much easier if you have the regular store stable voltages. Two adjacent shoulders of the bridge rectifier V1, V2 connect the unit Zener diodes V3 —...
