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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On the proposed technology of wire matching section can be manufactured in a variety of shapes and sizes of links. The circumferential wire on one, two or three metal bar clamped in a...
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I have another homemade. As a prototype for my toy I took Bogorodskaya toy "blacksmiths", and replaced the movement mechanism with parallelogramma on the mechanism of the two...
