Listar por series "Extracción de sal por energía solar. Un mini proyecto."
Mostrando ítems 1-1 de 1
-
Salt Extraction by Solar Energy. A Mini Project. Rural Women Programme
(IICA, 1980)This document presents: -Justification of peasant technology for extraction of salt, -salt extraction by solar energy and peasant technology, -Description of unit, -Technological background, -investment and labour demands, ...