If, during the filling of high capacity water (e.g. drums) intended for watering the garden, throwing a rubber ball of small size, its appearance over the edge of prompts to close the valve. Thereby eliminating the need for constant monitoring of the level of a cursory glance.
N. SVIRIDENKO, p. Pervomayskiy, Kazakhstan
Recommend to read
“Flying hippopotamus”
The nuclear arms race between the United States and the Soviet Union in the second half of the 20th century is regarded as one of the defining chapters of modern history. A central episode...
UNIVERSAL TRESTLES
Continue construction work in the country, whether harvested wood for heating furnace, or fireplace — here indispensable invariably acts as a traditional device, as is known to all...
