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[Subject: Electricity & Electronics]
Translated in 9 languages
[Subject: Mechanics]
Translated in 7 languages
[Subject: Photography & Photographs, Apparatus, Equipments, Materials]
Translated in 6 languages
[Subject: Other Final Products & Packaging]
Translated in 4 languages
[Subject: Hydraulic Engineering]
Translated in 2 languages
[Subject: Engineering & Allied Operations]