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Widespread use of natural stones has been a habit that has been going on for centuries. In addition to this widespread use, this material causes a significant amount of waste materials to be exposed during the processing of these materials. This is an economic problem in terms of both environmental pollution and disposal in waste materials. Therefore, the evaluation of these natural rock wastes is an important issue. In this study, it is aimed to recover the waste materials in natural stone workshops in Kahramanma...

Maintaining health and physical condition of astronauts during long-duration space missions requires measures to prevent microgravity effects. At present, such measures consist in practicing certain physical exercises, in using elastic suites, as well as in special medication. However, the efficiency of these solutions is limited. An alternative approach, technologically more difficult, but considerably more efficient, consists in producing a state of artificial gravity in the module inhabited by the crew. Such a ...