If you like to wear hats then. probably should take care of the way they store, for the perfect shape. One such option is to make your headdress a special hanger for example such as shown in the figure. P. IVANOV, Stupino, Moscow region
Recommend to read
THE TIMER CONTROLS THE SOUND
The device, whose scheme is published in the journal "Popular electronics" (USA), produces a positive pulse when a sound (for example, firing of the gun) reaches the microphone B1 (see...
INSTEAD OF SPLIT
For reliability of bolted connection in terms of vibration under the nut usually enclose a split spring washer: its sharp edges prevent the loosening of fasteners. If any washers at...
