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[Subject: Psychology]
Translated in 11 languages
[Subject: Household Utilities]
Translated in 9 languages
[Subject: Generalities]
- Material which insulates or is a non-conductor of electricity
Translated by: ROBERT GRIGOR BAXTER
Translated in 8 languages
Translated in 6 languages
Translated in 4 languages
[Subject: Medical Equipment]
Translated in 2 languages
[Subject: Mechanics]
Translated by: FARHAD PEZESHKI
[Subject: Chemistry]