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	Provedor de dados Ciência Rural (1) REA (1) Autor Lambrecht,Edson (2) Machado,Antônio L. T. (1) Machado,Antônio Lilles Tavares (1) Machado,Roberto L. T. (1) Machado,Roberto Lilles Tavares (1) Reis,Ângelo V. dos (1) Reis,Ângelo Vieira dos (1) Rosa,Douglas S. da (1) Rosa,Douglas Silva da (1) Mais... Palavra-chave Effort in sprayers (2) Ergonomics (2) Upper limb effort (2) Family farming (1) Tipo do documento Info:eu-repo/semantics/article (2) Ano 2019 (1) 2018 (1) País Brazil (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última OPERATOR EFFORT ON THE OPERATION OF THE KNAPSACK SPRAYER PUMPING LEVER REA Lambrecht,Edson; Rosa,Douglas S. da; Machado,Roberto L. T.; Machado,Antônio L. T.; Reis,Ângelo V. dos. ABSTRACT Several equipments are used in the application of agrochemicals by small scale farmers, with emphasis on the knapsack hand sprayer due to the low cost of acquisition and viability of use in different operating conditions. Although it is an equipment widely used, few studies have been developed in order to ascertain its functional characteristics. This study has the objective of presenting a methodology to measure the effort to which the operator is subjected in the activation of the pumping lever of knapsack hand sprayer verifying if these machines fit within the limitations foreseen by the Brazilian laws and international regulations. The methodology used was adequate to measure the operator's required efforts for the activation of knapsack hand... Tipo: Info:eu-repo/semantics/article Palavras-chave: Ergonomics; Upper limb effort; Effort in sprayers. Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162018000200238 Knapsack sprayers: effort required for pumping lever operation Ciência Rural Lambrecht,Edson; Rosa,Douglas Silva da; Machado,Roberto Lilles Tavares; Machado,Antônio Lilles Tavares; Reis,Ângelo Vieira dos. ABSTRACT: Various equipment, mainly manual knapsack sprayers, are used to apply agrochemicals by smallholder farmers. They are highlighted by their versatility of use and mainly by their low cost for farmers. Few operator-related studies were reported in the literature regarding the effort required to operate the knapsack sprayer lever. Knapsack sprayers were evaluated regarding the effort required to move their hand levers, reach and maintain the 300 kPa pressure, and return to the initial position. The objective of this study was to evaluate the operator’s effort to operate the hand lever using the “Super magro” biofertilizer as fluid. It was concluded that all knapsack sprayers are within the Consolidation of Labor Laws (CLT) standards regarding the... Tipo: Info:eu-repo/semantics/article Palavras-chave: Family farming; Ergonomics; Upper limb effort; Effort in sprayers. Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019000800351 Registros recuperados: 2 Primeira ... 1 ... Última

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