For fastening the sheet with a picture or drawing usually use a pushpin. However, they leave holes both on paper and on the basis, on which is a leaf. Better for the same purpose to use sticky tape, such as Scotch.
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ASSISTANTS MOTORIST
DEVICE FOR CHARGING BATTERIES is a rectifier device with electronic current regulator (Fig. 1). A rectifier manufactured by bridge circuit of diodes V1 — V4 (Fig. 2), and the electronic...
MORE ABOUT LIGHTNING
In the journal "modelist-Konstruktor" No. 12-97 was given to the Council on the restoration of the zip with the weakening of the lock slider need to pull it out with pliers. However, the...
