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[Subject: Generalities]
Translated by: FABRIZIO GABRIELLI
Translated in 49 languages
- Подготовка
Translated by: JULIA RAILEAN
Translated in 28 languages
[Subject: Mechanics]
Translated in 2 languages
[Subject: Adult Education]
- Получение систематизированных знаний и навыков, обучение, просвещение.
Translated by: FRANCESCA GAMURRINI
Translated in 23 languages