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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THE PUMP HOUSE IN D-6
Widespread in everyday life got electric pumps "Kama", "Trickle" and others. They are quite efficient, reliable and unpretentious in operation, but are used as stationary units only...
SCHEMATICE WITH ICE…
"School" model class F2D — further development of the schematic published in "M-K" № 7, 1986 in the article "Record holder... simplicity." Indigenous improvements of the characteristics...
