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Subjects
Metallurgy
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9
Cosmology
3
Festival
3
Industrial research
3
National dances
3
Archeology
2
Baikal-Amur Mainline
2
Chess
2
Environment protection
2
Wildlife
2
Aluminium
1
Ballet
1
Cotton farming
1
Geology
1
IT
1
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1
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1
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1
Timber industry
1
Welding
1