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‘Hidden gem': S.F. mineral society marks 90 years of breaking rocks at unmarked clubhouse
Rocks have not changed in 90 years, and neither have the type of people who would join the San Francisco Gem & Mineral Society, which started in 1935 for the hobby of rock cutting and polishing and ...
Rock cutting and sawing performance analysis encompasses a multidisciplinary approach that integrates advancements in mechanical engineering, material science, and computational modelling to optimise ...
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