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- The quality of being hard
Translated in 18 languages
[Subject: Heating, Ventilating, Air Conditioning]
Translated in 3 languages
[Subject: Metallurgy]
[Subject: Medical Sciences, Medicine]
- Medical Dictionary
[Subject: Geology, Meteorology, Hydrology]
Translated in 2 languages
[Subject: Mechanics]
[Subject: Generalities]
Translated by: FARHAD PEZESHKI
Translated in 1 languages