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 GARDEN WATERING GUN
The device of "Automatic" is intended for irrigation of vegetable and fruit plants to individual garden plots. Watering is carried out automatically at specified intervals (e.g., daily)....
GLIDER A-1
After nearly a decade, resumed the holding of the all-Union sorevnovanii model airplanes-students. They will vystupat in teams of young men with models of three new classes: glider A-1,...
