Definitely interesting clue is given in No. 2, 1982, in the article “Handsaw — a universal tool” to fix on one drank the landlord several Polota. Want to offer a design that allows to change the distance between the blades. To do this, make two threaded rod-holder, fixed on the ends of the hacksaw. It remains to screw them into the nuts-limiters; sequentially inserting and fixing the saw blades, will get a “multicore” with a hacksaw, three or five simultaneous cuts. V. SESNY, Kherson
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The Assembly of such sofa beds only took three days, however the design was thought through in advance. Wish it was spacious for sleeping, and a day would take up less space. So I made...
A SOLDERING IRON WITH A NEEDLE
To unsolder chips from a PCB — troublesome. However, it is simpler if we use a medical needle, a sharp tip which is pre-cut with a needle file or abrasive block. O. I, Voronezh
