WHERE IS THE HOLE IN THE BOOT?

Categories Good recommendations
WHERE IS THE HOLE IN THE BOOT?As the Russian proverb says, “water will find a hole”. And one that cannot be detected “by eye”. Help out in this case a bucket of water. Drop it into a “soggy” boot and squeeze, tightening the top shaft: emerging air bubbles from the holes will be given where it “hides”.

Recommend to read

  • THE REFRIGERATOR… UNDER THE GROUNDTHE REFRIGERATOR… UNDER THE GROUND
    A huge number of companies today produce different types of refrigerators are sophisticated in designs and various additional functions. However, all this abundance is mainly for use in...
  • AN ASSISTANT ELECTRICIANAN ASSISTANT ELECTRICIAN
    The proposed instrument is an improved version of the previously published article "the Indicator of the electric field" [1]. An assistant electrician (NPE) is a relatively...