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a This paper deals with the product design, engineering, and material selection intended for the manufacturing of an eco-friendly chair. The final product is expected to combine design attributes with technical and legal feasibility with the implementation of new bio-based materials. Considering the industrial design, a range of objectives and trends were determined after setting the market requirements, and the final concept was proposed and modeled. The product geometry, production technology, and legal specifications were the input data for product engineering. The material selection was based on the technical requirements. Polypropylene (PP) composite materials based on coupled-fiberglass, sized-fiberglass, and coupled-stone ground wood reinforcements were prepared and characterized. Final formulations based on these PP composites are proposed and justified.

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This article reflects the analysis of personal and social competences through the study and analysis of creative tensión in engineering students, using a computer application called Cycloid. The main objective was to compare the students' creative tensión by asigning them the task of being the project leader of a given project: their own university major. The process consisted of evaluating, through special surveys, a group of students to know the current situation of competences, using fuzzy logic analysis. From this self-knowledge, provided by the survey, students can know their strong and weak characteristics regarding their study habits. Results showed that tolerance to stress and to language courses are the weaker points. This application is useful for the design of study strategies that students themselves can do to better face their coursesEste artículo refleja el análisis de competencias personales y sociales a partir del estudio de la tensión creativa en estudiantes de ingeniería, utilizando una aplicación informática denominada Cycloid. El objetivo se centra en comparar la tensión creativa de los estudiantes, actuando éstos como jefes de proyecto, siendo su carrera universitaria el proyecto a coordinar. El proceso consiste en evaluar, mediante encuestas, a un grupo de estudiantes para conocer la situación actual de las competencias utilizando lógica difusa. A partir del auto-conocimiento que brinda la herramienta, los alumnos pueden conocer sus puntos fuertes y débiles y gestionar mejor sus estudios. Los resultados obtenidos demuestran que la tolerancia al estrés y los idiomas son los puntos más débiles. Esta aplicación es útil en el diseño propio de su forma de trabajo que haga el estudiante y así desarrollar estrategias para afrontar con éxito sus estudio

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