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Translated by: ROBERT GRIGOR BAXTER
Translated in 3 languages
Translated by: GUEST USER
Translated in 2 languages
[Subject: Idiomatic Expressions]
Translated by: DAVID LAURENT
[Subject: Generalities]
Translated by: MAURIZIO FERRIN
Translated in 16 languages
Translated in 6 languages
Translated in 5 languages
[Subject: Mechanics]