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”.
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WITH A PROPELLER IN THE WATER…
The propeller, or, as at the dawn of aviation, the propeller is experiencing a rebirth. The reason is the emergence of daltelecom and motor paragliders with very advanced rotor settings....
CASE FOR SOLDERING IRON
...can be made from scrap pipe of appropriate diameter. The case will protect the working part of the tool during storage. S. CHIRIKOV, Tallinn
