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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“AEROBI-100”
For the study of near-earth space in the United States since 1948, began to build rockets "Aerobe". To date released a large number of their modifications. A two-stage rocket "Aerobi...
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To pull the oars will be much easier if you install in a boat footrest. It consists of two shaped holders and crossbar. As the crossbar, you can use the cut water pipe.
