The world has a lot of different standards for a lot of things, but I have never heard of a place with the default screw thread direction being opposite.
So does each language have a fun mnemonic?
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This has always annoyed me too. I know why it works, but it’s clockwise and counter-(or anti-)clockwise. If you were turning from the bottom, left and right are mixed up. Maybe it’s just too hard to come up with a phrase using those terms?
Clockwise=lockwise