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- The downward pull of the earth
Translated in 33 languages
Translated in 8 languages
Translated in 6 languages
[Subject: Precision & Other Instruments]
[Subject: Physics]
Translated by: SYLVIA VERGARA
Translated in 5 languages
Translated in 3 languages
[Subject: Music]
Translated in 2 languages
[Subject: Data Processing - Windows - Graphic Design - 3D Graphics]