Somewhere in the closet or on the mezzanine you’ve got old cast iron iron, which is usually heated by the burner household gas stoves.
Remove it when you need to perform a small skin work: mounted as shown in the figure, it will serve as a makeshift anvil.
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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
HYDROFOIL
This model was designed by students of Victor Pisarev, Alexei Knizhnikov and Nikita Novikov. They built it in the ship laboratory of the Moscow city Palace of pioneers. High speed of...