Page 4 RAIN November 1981 Letter From El Salvador Ricardo Navarro is President of the Centro Salvadoreno de Tecnologia Apropriada (CESTA) in San Salvador, El Salvador. CESTA is a non-profit independent organization, in charge of promoting the implementation of technologies appropriate to the social and economic conditions of the country. A technology is appropriate ifand only if it .eontributes -to the liberation of the oppressed people in the world. Reprinted with permission from the May/June 1981 issue of Science for the People, $10/yr. (6 issues),897 Main St., Cambridge, MA 02139.
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