Common cause of puncture welcomer — acting limit switches rim spokes. A protective ring belts rubber, mounted on rims of plants-izgotovitelej, a little stretchy, but over time, harden and break.
A reliable replacement could be the same ring from an old inner tube from the “Lada”. They are cut on either side of the large diameter of the camera — it turns out two great strips with a width of 17 mm.
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ELECTRODISCO?
No, just securing the bottom of the Ironing Board extension socket, you can remove the wire from under the feet to ensure additional comfort and to comply with the rules technici security.
MICROPHONE OUT OF SCRAP MATERIALS
It is not difficult to do even the novice hobbyist. And materials needed for this available. The basis of design — a primer of domestic microphone MD-47. The device consists of a...
