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[Subject: Mechanics]
Translated in 6 languages
[Subject: Chemistry]
Translated in 5 languages
[Subject: Costume & Personal Appearance]
Translated in 2 languages
[Subject: Computer Science, Antivirus]
Translated by: FARHAD PEZESHKI
Translated in 11 languages
[Subject: Ground Transportation]
Translated by: GUEST USER
Translated in 3 languages