
A simple feeder for small birds can be done literally in minutes, using a tin can and a stick of wood or a suitable diameter of the branch.
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“SPANISH” BOMBER TUPOLEV
(The end. Beginning in № 3'02) The plane SB (ANT-40) — high-speed bomber, made of a metal cantilever monoplane with two engines M-100A located on the wing. The fuselage is...
…YOU TOUCH THE LEVER — THE PART WILL CLAMP
The simplest collet was developed by the students in the CPC Leninsky district of the city of Alma-ATA. It can be used quickly and reliably to clamp cylindrical parts, shafts, axles,...