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[Subject: Mining & Related Operations]
Translated by: GUEST USER
Translated in 24 languages
[Subject: Geology, Meteorology, Hydrology]
Translated by: KATRIN HELD
Translated in 9 languages
[Subject: Chemistry]
Translated by: ANGELA ABBRUZZESE
Translated in 7 languages
[Subject: Mineralogy]
Translated by: RITA COMELLINI
Translated in 5 languages
Translated in 153 languages