For lifting of drinking water from boreholes and wells, often used external centrifugal pumps of the type “don” or “Kama”. It is a reliable and high-performance mechanisms, but they have their Achilles ‘ lie — backflow valve which keeps well enough in the system water during the period when Kasos does not work. As a result, the pipes creates air tubes that cause the water system in a kind of “embolism” — the pump ceases to swing, and to make him re-earn, we have to fill the system with water to avoid this, it is enough after irrigation to fix the hose on the hill or just put it in a container of water.
Recommend to read
KITCHEN STAND
Many Housewives, especially beginners, are recipes for various dishes listed in the cookbook. So she was before my eyes, and not lying on the cutting table among the products, you can...
THE FISH ARE BITING!
Fun — fishing in open water. With the early spring as soon as the ice recedes, and until late fall the true fisherman whenever possible, in a hurry to the pond with the hope of a...
