In winter, a suit for window boxes”refrigerators” to store perishable products. It is not very convenient for many reasons: it is necessary to open the Windows; the produce into the machine. However, this same box can be set just on the windowsill, and to it through the frame to drill a few holes with a diameter of about 12 mm by inserting them into tubes so the cold air does not get between the frames, and went straight into the bin. Movable plate, Overlapping the hole, allow to regulate the flow of cold air. A. VINOGRADOV, Mogilev
Recommend to read
ANTI-TANK “CARTS”
When developing a combat reconnaissance patrol vehicles (BRDM), the specialists of the design Bureau of the Gorky automobile plant in advance the possibility of creating on its basis a...
BETWEEN THE FLOOR AND CEILING
Every thing in the house requires a certain space. Updated your library, increasing the number of objects or devices for work and leisure — in each case the problem arises of their...
