To tightly connect the screws the two boards, you need to use the brace. From a set of versatile screwdriver select the appropriate tip and insert into the rotation in place of the drill. This significantly saves power and enough pressed on a fastened Board.
A. SYROTYUK, S. Krasnosillia, Rivne region.
Recommend to read
ANOTHER “POCKET”
Young innovators of the Moscow machine-tool plant named after Sergo Ordzhonikidze developed subminiature winch, dimensions of which (240X215X115 mm) allow to call her "pocket". With its...
THE REBIRTH OF THE “HARD” ROCKET PLANE
First the model of similar schemes appeared in the all-Union competition in 1982. With them were athletes from Moscow. But at the time of competition for soft raketoplana the type of...
