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Years: 2050[?] 2051[?] 2052[?] 2053[?] 2054[?] 2055[?] 2056[?] 2057[?] 2058[?] 2059[?]
... rim of the groove, while the other end of the axis pushes against the lower rim of the groove. While the axis is slipping around inside the groove, the friction between the ...