Three of the fifty trainees who will graduate today from the first six-week course in food preservation conducted by UNRRA United Nations Relief and Rehabilitation Administration CNRRA / 465 Shanghai, China -- June 1947 increase food supplies UNRRA instructors at the recently instituted canning school on Kiangwan Road give each trainee the knowledge and equipment necessary for setting up community food preservation centers in his home district (Photo by Wipperman) Chinese National Relief and Rehabilitation Administration China Food industry -- China Home food processing -- China United Nations Relief and Rehabilitation Administration RM http://search.archives.un.org/s-0801-0006-0003-00015 S-0801-0006-0003-00015 Security level: Unclassified