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Does each language have "lefty loosey righty tighty"?
(lemmy.world)
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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You aee assuming a top orientation moving to the right. Give somebody a wrench handle at the bottom of nut and tell them left to loosen, you will see how most take it literally and move handle to the left side of their body. they think in terms of their left and their right, not the screws right left from a starting location at top, or if from 4 oclock position to the "left of" 4 oclock as if you were facing the 4.