Now, many medicinal tablets are Packed in colorful plastic cells, covered with foil or paper. In improvised signal light devices are very convenient to use such cells as the cap-filter for signal lamps.
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In the household of great assistance can have a miniature electric drill. Easy to make on the basis of the motor WCT-1, is designed for EPA of the store and radios (see figure). The...
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The idea of turning the wing on the model rocket plane was implemented nearly forty years ago. Its author is Anatoly Z. Gavrilov - head asiacruise from the city of Krasnozavodsk in the...
