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[Subject: Geometry]
Translated by: MIRJAM BRÜCKNER
Translated in 25 languages
Translated in 5 languages
[Subject: Ground Transportation - Lift Trucks]
Translated by: KATRIN HELD
[Subject: Railroad Transportation]
Translated in 3 languages
[Subject: Chemistry]
Translated in 2 languages
[Subject: Mechanics]
Translated in 38 languages