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Im not sure that we did.
I think that is a topic you learn if you are interested in the subject, not really something that is specifically taught.
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pull down to refresh
Im not sure that we did.
I think that is a topic you learn if you are interested in the subject, not really something that is specifically taught.
Here in Europe I expect most people to have learned about the mechanical mechanism (wrist movement + ratchet + spring) in school. Do you not?