THE BALL INDICATOR

BALL INDICATORIf, 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

  • “SKEWER” FOR THE FILM“SKEWER” FOR THE FILM
    Widely used by gardeners and farmers plastic film is good in summer, but can not tolerate the winter cold with snow and winds crack and break, so autumn is required to remove it into the...
  • WHEN THE TENSION IS GONEWHEN THE TENSION IS GONE
    Many of the houses in the villages and country houses in winter, left without owners, are empty, although things are (sometimes valuable) and appliances remain in them. And then...