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
CAN SAW, GRIND, AND CUT
A sharp and properly sharpened tool has always been an indicator of its owner's professionalism. However, the master's ability to bring their production tools into working condition is no...
AROUND SILVER SPOKES
It turns out that the bike besides one of the most ancient modes of transport: it is depicted on the recently discovered risuna Leonardo da Vinci related and 1495, that is, will soon...
