ºÝºÝߣshows by User: rafashudo / http://www.slideshare.net/images/logo.gif ºÝºÝߣshows by User: rafashudo / ºÝºÝߣShare feed for ºÝºÝߣshows by User: rafashudo https://cdn.slidesharecdn.com/profile-photo-rafashudo-48x48.jpg?cb=1621231641 Ingeniero Civil Especialista en Prevención de Riesgos