text: (f) Establ lshlng, directing and control ling the development end Improvement of the National System of Scientific­ Technical Information. (g)_ Establishing. directing and controlling the record of patents requests resulting from Innovations, lndustrlel models, other trademarks and forms of Industrial property of national and foreign applicants, approving the documentation of the technological proJects of Its competence an4 directing and organizing the experts committees for their assessment. (h) Directing, supervising and controlling the application of the scientific category system. (f) Promoting, guiding and control ling the development of scientific and technical organizations and societies. To perform the above-mentioned duties the Academy of Scien- ces of Cuba has the following structure: Five divisions and two Independent departments which are In charge of different activities related to the manage• aaent of science and technology at national level • • ·Tb~ee divisions and six Independent departments to handle Internal aff.alrs and to execute sc:lentlflc and develop­••nt activities. Commissions for the preservation of the envIronment and th·e ~aflonal use of the natural resources, commissions for the co-ordination of cosmic research, for the grant­ Ing of categories to research workers and for the co­ ordination of the national system of scientific and tech• nlcal Information. Twenty-two scientific: research Institutes, a National Network of Historical Records, a network of Scfentlflc:­ Tec:h-nfcal Information Centres, eight museums of natural sciences, archeology and history, three zoological gar• dens, an aquarium and several scientific fac:lflties all over the country. The Institutes are grouped by fields of science according to the work to which they are devoted. These fields are the follow­ Ing: agricultural science, biological and chemical sciences, physical-technical and mathematical sciences, soli sciences and social sciences. The Academy of Sciences also has an Institute of Documentation and Technical-Scientific Information and Trade­ •arks. The lnstltut.es and the rest of the scientific research units 
analysis: The text appears to be focused on the organization and management of scientific research and development in Cuba, with a focus on the Academy of Sciences and its various divisions, departments, and institutes. It discusses the Academy's role in promoting and guiding scientific and technical organizations, as well as its involvement in the development and improvement of the national system of scientific and technical information.