/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: danilovallenas https://cdn.slidesharecdn.com/profile-photo-danilovallenas-48x48.jpg?cb=1523641879 Egresado de la Facultad de Ing. de Minas Universidad Nacional de San antonio abad del Cusco