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

  • BRO-11M – STEP INTO THE SKYBRO-11M – STEP INTO THE SKY
    Did you know that a lot of aircraft Amateur-built are based on BRO-11M - glider initial training famous Lithuanian aircraft designer B. I. Oscines. Very easy to manufacture and reliable...
  • GLASS TABLEGLASS TABLE
    A small table, color coordinated with the seats, carpet and the lamp, will transform one of the corners of your apartment, will add to her comfort. The top — worktop — made of glass...