It is easy and convenient to clean the floor in the Studio or room with any ordinary MOP, the “dressed” Terry cloth Velcro.
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THE FIRST SNOWMOBILE, BUT A SUCCESSFUL ONE
The author of this material is a schoolboy from a distant Siberian city. When the editorial office received his letter describing the ski-track snowmobile he had built, he was 15 years old...
A SOLDERING IRON WITH A NEEDLE
To unsolder chips from a PCB — troublesome. However, it is simpler if we use a medical needle, a sharp tip which is pre-cut with a needle file or abrasive block. O. I, Voronezh