Furniture, decorated with different shaped pads, looks nice. But to run any profile requires a special tool. The simplest may be a conventional steel tube with a razor-sharp edge. If slightly change its shape and the profile being processed will have a different look.
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UNIVERSAL INDICATOR
Two LEDs with different color (e.g., red and green), you can build a simple indicator for voltages from 4.5 to 220 V. It is also able to determine the polarity of the source in the range...
Snow motorcycle
In “Modelist-Konstruktor” magazine No. 11’1991 I came across a description of motonarty — a tracked snowmobile built by the Matveychuk brothers from Zavodoukovsk, Tyumen Oblast, and named...
