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1
tesis de maestría
La presente investigación está relacionada a la contaminación ambiental por la presencia de metales pesados provenientes de los relaves de la actividad minería, particularmente el mercurio el cual es transportado por los diversos factores climáticos de la zona a diferentes lugares aledaños y circundantes, afectando de esta manera la flora, fauna y actividades antrópicas en general, influyendo además en las actividades económicas y productivas de los habitantes y poblados del lugar. En este sentido, la investigación se centra en la evaluación del contenido de mercurio en las relaveras del proyecto de explotación minera Kolqueparque, del Grupo Vol Company Unión SAC a través del muestreo en forma aleatoria y análisis de laboratorio. El proyecto en mención dispone de una relavera distribuida con tres sectores de almacenamiento de los cuales se extrajo la muestra para el mercu...
2
artículo
Objective: To evaluate the ergonomic risk by type of work in workers of a private company located in the province of Espinar, Cusco-Peru. Materials and methods: Cross-sectional descriptive study. Thirty-four workers participated, of whom 27 were freight transport drivers and 7 were administrative workers. A questionnaire validated in content by expert judgment and internal validation was applied. For the evaluation of ergonomic posture, the REBA method applied to administrative personnel and the OWAS method applied to drivers were used, and the Ergo IBV software was used for processing. Results: Of the total number of participants, 79.41% (n=27) were male; with respect to the dimension (identification of health problems), 57.14% (n=4) of the administrative staff and 92.59% (n=25) of the driving staff had a fair and poor perception, respectively. With the REBA method, 88% (n=6) of workers...
3
artículo
Objective: To evaluate the ergonomic risk to field personnel of a civil construction company. Materials and methods: A descriptive, non-experimental, cross-sectional study was carried out on 33 workers. Data collection was carried out by applying a questionnaire for the identification of ergonomic risk referred to occupational factors, and it was evaluated using the REBA and OWAS methods in the ERGONAUTAS software. Results: From the application of the questionnaire, 66% of workers showed that they were exposed to medium risk. On the other hand, the REBA method reveals that the trunk and arms obtained scores of 3, considered high, and the formwork task predominated higher ergonomic risk. Likewise, the OWAS method indicates that, back and legs present higher scores, and sidewalk finishing and formwork tasks are the ones where dysergonomic postures prevail. Conclusions: Both methods indicat...