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
INSTEAD OF “CROCODILES”
When you run the motor power on the candle is most often served with a variety of homemade forks, branded clamps or the usual electronic "crocodiles". In all these cases, a high...
RADIOSONIC CONTROLS THE PUMP
The creation of remote electronic devices control various actuators were promising direction in the radio even during my "pioneer" childhood in the 1980-ies. Then, under the guidance of...
