In the opening scene of “Difret,” Zereseney Mehari’s first feature film, human rights lawyer Meaza Ashenafi (Meron Getnet) reassures one of her clients: “Don’t worry,” she says. “There are laws in ...
The term "involute" refers to the shape of the teeth: the curves of the teeth are involutes of circles, which are curves that optimize gear performance. Figure 1.1.2: The three marked circles are key ...
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