If a barrel is poured in the vegetable garden or cistern in the shower — the water level in them will tell you a simple water-measuring device consisting of a Styrofoam float and stuck to his line or rod with the labels. For greater stability of water-measuring devices are required on the barrel to put the bar with the guide bushing.
Recommend to read
THE LAST BIPLANE COUNTRY OF THE SOVIETS
Scout-bomber P-Z. Created in the late 20-ies of the last century, the Soviet biplane R-5 construction.N. Polikarpov for several years was a classic type of reconnaissance aircraft. In...
ALL FOUR LEADING
The vehicle is made according to the scheme proven by the tractor "Kirovets". He has the same "breaking" the frame and drive on both bridges. What gives? First, the permeability....
