Gonzalo Barrientos

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Cadmium (Cd), tungsten (W), tellurium (Te), beryllium (Be), and lead (Pb), are non-essential metals pervasive in the human environment. Studies on athletes during training periods compared to non-training control subjects, indicate increased loss of minerals through sweat and urine. The aim of this study was to compare the level of these trace elements,(More)
Shorter product lifecycles are forcing manufacturers to reconsider the way their products are assembled. In current practice, new product families are often assembled manually with the aid of simple jigs and fixtures. Once demand for the new product greatly increases, manufacturers move into high-speed, automated assembly through the use of dedicated(More)
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