When processing large surfaces of metal or wood with sandpaper craftsmen have to attach it to various devices. We offer original clasp allows you to do this conveniently and quickly. It is a kind of wooden “book” with the “dust cover” of the skin, the ends of which are filled inside and securely fastened when closing with two rows of sharp Shura stand or studs. “Binding” is the piano hinge.
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Perpetual wind fan
Many rural outbuildings need ventilation. Without it, houses and sheds become damp, cellars and basements get wet, and using an outdoor privy without a fan is, to put it mildly,...
The Yak-18
Initial training aircraft Yak-18 was based on UT-2. Its first flight took place on may 6, 1946 (test pilot G. S. Klimushkin), and the second, with the more powerful M-11FR — may 17,...
