/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: rafaelcparra3 https://cdn.slidesharecdn.com/profile-photo-rafaelcparra3-48x48.jpg?cb=1524631662 Coordinacion de Seguridad Higiene y Ecología de Oxiteno SJR