In the manufacture of bookcases I made sure that the connection is full to the walls with nails, spikes or corners and base rails with screws is not always provides the strength and rigidity of the structure due to drying of wood, glue, and therefore not very reliable. I think that a more practical way of connecting with full of side walls coupling bolts with nuts, which is shown in the figure. After evenly tightening the screws with a screwdriver the whole structure becomes rigid and rectangular, other compounds to provide very difficult. V. SAFRONOV
Recommend to read
UK-4: MORE ABOUT THE NEW FEATURES
In last year's fourth issue of the journal, I read an article about Razakhatskaya V. the machine "Skillful hands". There is proposed a device for drilling. But it will have to cut off part...
“SKYSCRAPER” CHAMPION
All conscious life Vladimir Menshikov associated with the sky. In his childhood he built flying model airplanes. Hence the choice of a profession. And as a matter of course, flying...
