open this section of the library and view contents1. Education and vocational training:1. Bildung und Berufsbildung allgemein:1. Formation et formation professionelle générale:1. Educación y formación profesional en general
open this section of the library and view contents2. Electrical engineering, Electronics:2. Elektrotechnik, Elektronik:2. Electrotechnigue électronique:2. Electrotécnica, elétronica
open this section of the library and view contents3. Metalwork:3. Metalltechnik:3. Technique métallique:3. Técnica en metales
open this section of the library and view contents4. Promotion of small scale business, Commercial affairs:4. Kleingewerbeförderung, Kaufmännischer Bereich:4. Promotion de la petite entreprise, les affaires commerciales:4. Promoción de la pequeña empresa, actividad mercantil
open this section of the library and view contents5. Woodwork:5. Holztechnik:5. Techniques du bois:5. Técnica en madera