Accounting	16
Agriculture	238
Animal husbandry	2
Astronautics	3
Banking	1
Business	11
Canada	4
Chemistry	63
Coal	10
Commerce	16
Communications	308
Construction	39
Criminal law	5
Cultural studies	6
Customs	2
Earth sciences	82
Economics	93
Education	15
Electronics	127
Energy industry	12
Environment	62
Finances	270
Fish farming pisciculture	10
Food industry	4
Forestry	3
General	385
Government, administration and public services	5
Health care	68
Hobbies and pastimes	9
Human rights activism	10
Immigration and citizenship	8
Industry	101
Information technology	250
Insurance	48
International law	1
International trade	7
Labor law	15
Labor organization	1
Law	164
Life sciences	37
Marketing	37
Materials science	29
Mathematics	26
Mechanic engineering	84
Medical	166
Metallurgy	81
Microsoft	125
Mineral products	1
Mining	9
Municipal planning	5
Natural resourses and wildlife conservation	3
Natural sciences	37
Nuclear and fusion power	1
Nuclear physics	1
Patents	53
Pharmacy and pharmacology	10
Physical sciences	1
Politics	29
Procedural law	6
Scientific	2
Security systems	5
Social science	23
Sociology	1
Statistics	44
Taxes	10
Technology	26
Textile industry	3
Transport	281
United Nations	42
Waste management	2
Work flow	10

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