Bike pedals used to put a metal screw cap to protect the bearings from contamination. Now, instead, use the plastic plugs, which are often lost. Rescue plastic or nylon tubes from medical bubbles. Such substitutes being kept quite steady.
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TO THE JEWELLER’S ARSENAL
I have been passionate about DIY creativity for a very long time. My favorite magazine, “Modelist-Konstruktor,” has contributed greatly to this. I have been subscribing to it since 1972....
MUSIC BOX OUR DAYS
Since ancient times people admired the music box. Their creation was only very skilled mechanics, who had besides an ear for music. Now the progress of technology made it easier....
