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Background: the exposure to high levels of vibrations could induce health problems resulting in the damage of joints, muscles, other than pathologies connected to the circulation and the sensory nerves. These phenomena are often related to the use of machines that require high efforts, repetitive movements, or not ergonomic postures. Methods: 13 Radial Arm Polisher Machines (RAPM) of different manufacturers and different ages were investigated in order to analyze the vibrations produced during a whole process of m...

Occupational diseases linked to noise risk are still one of the most important employment problems, particularly in the quarry activities. Many negative effects on human health can arise after long exposure to noise in an occupational context. To protect workers' health and prevent hearing problems, employers must provide to workers with hearing protection equipment. In recent years, however, there have been many problems with the use of hearing protection devices. These have a highly mitigating effect but can iso...