To prevent access by children to “adult” or colecciones books stored in a shelf with sdvizhnye glasses will help ordinary furniture lock with retractable tongue and bent from steel strip. The thickness of the strips is determined by the gap between the panes.
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CALIPER
Among the tools and devices for measuring the internal diameter of pipes and other cylindrical bodies is probably the most simple. Made of plywood, plastic or metal, cut an isosceles...
TABLE FOOTBALL
the Base game (see Fig.) — plywood the size 1160x580x20 mm. it is manufactured and side walls with a height of 160 mm. In the walls of drilled holes through which will pass the rods,...
