The Scientific Bulletin Ideas and Voices is pleased to present to its readers and collaborators the edition: Year II, volume no. 2, publication no.3, May 2015, seeks to contribute to the dissemination of valuable experiences from the national and international context with manuscripts that address the academic and research activities of experts and neo-researchers who develop their professional or educational activity in the areas of interest. of the magazine such as storage and distribution, efficient use of chemical, organic and physical materials, and the use of free software in the industry. We thank you for joining us and preferring us.