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

  • SCRAPER — EACH BRUSHSCRAPER — EACH BRUSH
    When you have to prepare for painting surface with long layers previous updates, it is always difficult to remove them. The work will be simplified if it is to make a special scraper...
  • PIPE THE PIPE THROUGH THE PIPEPIPE THE PIPE THROUGH THE PIPE
    For bending metal rods and pipes there are many ways and devices. Most often this operation is performed on the bending. But not everyone (even of the workman person) he has. The easiest...