Children tend to be interested in what is inside their favorite toys. Often, after such a curiosity that remains is to throw away the “spare parts”. Meanwhile, the gear mechanism of the clockwork toys — a source of miniature milling cutters: fixed in the Chuck of a drill, they are well-treated, soft metals and plastics.
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The unusual design of bearing areas — that is the main distinguishing feature of the proposed model glider. Their advantage in ease of manufacture. The absence of cut from the sheet...
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Often in life there is a need to carefully pour some liquid from one vessel to another so as not to affect sediment on the bottom. Usually use the suction tube. But it is necessary to...
