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Agriculture	32
Banking	5
Chemistry	325
Coal	2
Commerce	1
Communications	33
Construction	3
Cultural studies	3
Demography	2
Earth sciences	25
Ecology	12
Economics	14
Electronics	11
Energy industry	1
Environment	55
Finances	10
Food industry	71
General	41
Health care	16
Human rights activism	2
Industry	12
Information technology	19
Insurance	4
International trade	1
Law	16
Life sciences	9
Marketing	2
Mathematics	7
Mechanic engineering	32
Medical	116
Metallurgy	45
Microsoft	3
Municipal planning	3
Natural resourses and wildlife conservation	1
Natural sciences	2
Nuclear physics	1
Obsolete / dated	7
Pharmacy and pharmacology	8
Politics	19
Procedural law	1
Social science	1
Statistics	22
Taxes	10
Technology	14
Transport	20
Work flow	3