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.
Recommend to read
CASE BOTTLE
Plastic bottles are widely used in daily life after their discharge. Of them make flower vases, pots, tents, covers for shelter of plants and even use as a building material. Here's...
A TIN CAN WILL HEAT YOU
A mini-electro-calorifier (MEC) type heater is unlikely to surprise anyone these days. These compact and quite convenient household appliances can be purchased to suit any...