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.
Recommend to read
TRACTOR
At school, for more than 40 years, engaged in the construction of various mechanisms to facilitate workplace and at home. (In the journal "Inventor and rationalizer" was placed in my...
MOSQUITO ELECTRIC CURRENT
Pushkin "Ah, summer red, I would love you, if not for the heat, and dust, Yes mosquitoes, Yes flies" not to recall with the advent of the hordes of winged insects that spoil our mood...
