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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The article "He invented nutrit" (1975, No. 5) was very interested in me. I came up with a small improvement schemes nutrida. If the plane of rotation of gears attached to a horizontal...
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It often happens that a brand new, recently purchased, pasatizhi, pliers, wire cutters, etc. can neither open nor close. The easiest way to prepare the instrument for operation with...
