The 3D printer is a very much discussed subject nowadays. It has many positive aspects and its purpose is to minimize costs, streamline complex processes, and shorten implementation times. From simple applications to complex systems, almost any assembly or subassembly can be reproduced using 3D printers, either based on a design or on a 3D real-world scan. Medicine is one of the domains that has turned to these devices, achieving amazing performance. 3D scanning and printing are basic elements in the development of new processes that were not possible at the moment. Thus, there are 3D models of the external ear of the human ear, applications in the repair of the epithelium affected by certain external factors, prostheses, medical models, and heart valves. In the present paper, we aim to explore, presenting advantages and disadvantages, existing systems for 3D scanning and designing of 3D models for printing in the field of orthopaedics.
The extremely rapid evolution of portable technologies and children's receptiveness to constantly accessing the latest information creates the conditions for a number of new developments in most areas of activity. Moreover, their attraction to real-time visualisation of various events and competitions projects a certain level of perception and imitation of certain behaviours. Therefore, special attention should be paid to them from the earliest stages, i.e., from the time they are selected to play various sports. Also, the complementarity of some sports must be taken into account when it is desired to obtain positive results.
Age group adaptation and the investigation of some of the parameters relevant to different age groups have generated values that can support positive outcomes in the long term and thus increase motivation to participate in sport at a competitive level.
Health and safety of workers have a special importance for the quality of working life even in the current situation of austerity and financial instability. In the general framework of the social determinants of health-the occupation leaves its mark on the employees' state, and occupational risk assessment aims to prevent and make the employee to be aware of the possible dangers, forming a culture of the work safety. Given the complexity of underground work system, the accidents at work and occupational diseases are factors that reduce the efficiency, productivity and profitability. Also, these factors have some other effects-economic (increased costs with personnel and with security and occupational health), social (because they affect one or more workers, their families, and the other members of the organization) and psychological (the reaction towards risk, problems of inadequacy or incompatibility with the old job, the negative impact on the image of the industry). Considering the overall context of health status of the population and the peculiarities of our country, this paper analyzes comparatively the evolution of the main indicators of morbidity statistics that reflect the health state of the employees of some companies in the Romanian mining sector.
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