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[Subject: Mechanics]
Translated by: JULIA RAILEAN
Translated in 38 languages
[Subject: Wood Construction, Carpentry]
Translated in 14 languages
[Subject: Hydraulic Engineering]
Translated in 3 languages
[Subject: Household Utilities]
Translated in 2 languages
[Subject: Metallurgy]
Translated by: ELISA GARUSI
Translated in 1 languages