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
TO MATCH THE CHAIRS
In country furnishing commonly used A-shaped (in profile) folding chairs: they are comfortable, reliable, easy to carry. But for a full set of them requires the same folding table. We...
“PERPETUUM…CLOCKS”
Those who use kettlebell wall clock-hodinami know" that when lifting weights hang down with chain often broken original position of the case, affecting their accuracy. To avoid this, I...
