Which tool is more easily used by a right handed person, than by a left handed?
screwdriver
hand saw
electric drill
hammer
The reason for the clockwise orientation of most screws and bolts is that supination of the arm, which is used by a right-handed person to turn a screw clockwise, is generally stronger than pronation; while screwing is generally done more often than unscrewing.
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Answers by country
screwdriver
hand saw
electric drill
hammer
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