Not to accidentally fall from the steep stairs leading to the attic or the attic of a country house, or from the ladder, changing a light bulb, I suggest to make steps non-slip. They should be covered with oil paint and, before it dries, evenly sprinkle the surface with sand. It is best to use in this sieve or a piece of metal grid with small cells.
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COVER FOR THE AXE
Offer a simple way to protect the blade of the axe with cover from Velocimetry. In a suitable size segment its pre-made punch two holes; the distance between them should be somewhat...
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In one of the rooms of the magazine was published a material "the Jigsaw for Plexiglas". Offer instead of nichrome wire to make a "electropulse" of two strands of nichrome. In this case,...
