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[Subject: Mechanics]
Translated in 8 languages
[Subject: Precision & Other Instruments]
Translated in 5 languages
[Subject: Keyboard Instruments & Their Music]
[Subject: Photocopy]
[Subject: Electricity & Electronics]
Translated in 4 languages
[Subject: Wood Construction, Carpentry]
[Subject: Military Art & Science]
[Subject: Other Final Products & Packaging]
Translated in 3 languages
[Subject: Hydraulic Engineering - Apv]
Translated in 2 languages