Despite the fact that the clamps clamping the Cup is loosely fitted on the axis and not rotate as you tighten, it can be rotated together with the screw, damaging the surface of the fastened parts. This will help avoid two backing plates with the slots in the ribs strubiny, which can be manufactured from aluminum and even wood.
Recommend to read
DEAD BATTERY — RESCUED WIT
A good host in the winter and enough work in the garden. One day, when the snow piled very much, it was necessary to compact around trees, and roofs of the buildings do not interfere...
NOT TO THE SIDE AND UP
We are accustomed to the fact that the curtains should be spread out. For this there are special rods or strings, fastened above the window. Some of them are mechanized: it is necessary...