Distance from the keyboard: One hand span, two hand span, one meter, two meters, one shoulder span.
Understand the Problem
The question seems to be asking about different measurements of distance, possibly for a comparison or for understanding physical dimensions related to the human body. The terms 'one hand span', 'two hand span', etc., refer to various anthropometric measures.
Answer
One hand span.
The recommended distance from the keyboard is one hand span.
Answer for screen readers
The recommended distance from the keyboard is one hand span.
More Information
A hand span is a traditional unit of measurement, roughly the distance from the tip of the thumb to the tip of the little finger when the hand is fully extended.
Tips
Common mistakes include not measuring the hand span correctly. Ensure the thumb and little finger are fully extended.
Sources
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