It is well known that in the winter bike should be stored so that the wheels do not touch the floor. It can be hung on special hooks that are made from scraps of steel wire Ø 6 mm.
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THE INTERSECTION OF PVC
For garden water pipes for watering plants, as a rule, connect the bushing with the thread, which sergevev, makes it difficult to dock. They can be replaced with segments of PVC pipe...
ELLIPSOGRAPH
ELLIPSOGRAPH — is the name of this simple device. It can be used to draw an ellipse with any ratio of the semiaxes. It is enough to set into the holes on the line of alignment pins to...
