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

  • EMERGENCY UMBRELLAEMERGENCY UMBRELLA
    Many umbrellas of the spoke ends plastic ferrules, to which the threads are attached to the edge of the fabric dome. When threads are ground, loosely fitted tips lost, and the proper...
  • PIPE IS NOT A HINDRANCEPIPE IS NOT A HINDRANCE
    If the kitchen in your apartment there is a ledge or water pipes, interfere with the hanging shelves, modify them in accordance with a pattern.