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[Subject: Generalities]
Translated by: TZUNG-HSIEN CHEN
Translated in 11 languages
[Subject: Electricity & Electronics]
Translated in 5 languages
[Subject: Latin Speeches]
Translated by: SERGIO MANRIQUEZ BARROS
Translated in 2 languages
[Subject: Mining & Related Operations]
Translated by: DAVID LAURENT
Translated in 6 languages