Now a drink is poured into small cans of thin aluminum. If such banks are carefully cut, even with scissors a few rings, some of them easy to bend a wide variety of molds for “cutting” from a sheet of dough a beautiful shaped cookie.
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UNIVERSAL INDICATOR
Two LEDs with different color (e.g., red and green), you can build a simple indicator for voltages from 4.5 to 220 V. It is also able to determine the polarity of the source in the range...
“PROSTHESIS” POINTS
The most frequent case in "bespectacled" — breaking the joint of a pair of glasses. Sometimes there are such designs that any can replace or repair is not possible. Offer a universal...
