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
A VICTORIOUS IAN TILKE TRACK
The first time he saw the race cars "buggy", I remembered the frontline episode: on a country road, mutilated by bombs and shells, was speeding lorry. The road was exposed to fire of the...
HELP OUT THE BENCH
If you require something urgently to cut off a trestle at hand was not. Turn it over as shown and ready improvised trestles. You can say that the bench legs come in different designs,...
