/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: BetydelaGarza https://cdn.slidesharecdn.com/profile-photo-BetydelaGarza-48x48.jpg?cb=1536976088 I am making an speciality in the field of materials. I have an 80% of english, currently studen at Facultad de Ciencias Químicas, of UAdeC.