The hybrid version of the positive keyboard is optimal

It is a PARALLEL positive keyboard with additional 10 common letters, the most commonly used. These letters (Т,П,З,Н,У,С,Л,К,Р,Д) are placed instead of the upper numbers. We did it pretty “mnemonically” – the letter З (ze) stands for the number 3. Here the similarity is about 100% – the letters Т and П are instead of

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Tennis serve with a loop

Even if we turn our hand from bottom left to right, imitating Venus Williams, it is important that when placcing(throwing) a racket over the back, the elbow remains low. And only after the racket head is at our left shoulder blade, it is necessary to raise the elbow. Then the racket will go from the

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