Warning: XSLTProcessor::transformToXml() [xsltprocessor.transformtoxml]: I/O warning : failed to load external entity "file:////srv/scielo/www/bases/xml/rcst/v26/1991-9395-rcst-26-e916.xml" in /srv-new/scielo/www/htdocs/class.XSLTransformerPHP5.php on line 36 Análisis ergonómico postural de los soldadores del taller de mantenimiento EMPERCAP