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

  • GLAZING TONGSGLAZING TONGS
    Carrying a large sheet of glass always difficult: and not grab onto, and not pack. But such a simple clamp, a bent of thick wire, solve the problem of not only carrying glass: using it,...
  • THE INDICATOR OF INCLUSION OF HEADLIGHTSTHE INDICATOR OF INCLUSION OF HEADLIGHTS
    Under the new rules of the road in the sake of safety, drivers of vehicles (especially when driving outside the city) should include the day of the lights But turn them off after a stop...