Accounting	14
Acoustics	2
Agriculture	820
Antennas and waveguides	50
Art	7
Astronautics	7
Astronomy	1
Automated equipment	85
Aviation	5
Banking	1
Book binding	1
Business	20
Chemistry	503
Coal	60
Commerce	45
Communications	536
Computer numerical control	43
Computers	1
Construction	287
Criminal law	14
Cultural studies	59
Customs	2
Demography	8
Earth sciences	360
Ecology	3
Economics	128
Education	39
Electronics	736
Energy industry	78
English	1
Environment	159
European Union	5
Finances	383
Fish farming pisciculture	56
Food industry	43
Forestry	13
General	965
Geography	1
Government, administration and public services	29
Health care	102
Hobbies and pastimes	37
Human rights activism	9
Immigration and citizenship	33
Industry	460
Information technology	438
Insurance	46
International trade	14
Investment	2
Labor law	52
Law	366
Leather	1
Life sciences	75
Linguistics	1
Marketing	36
Materials science	138
Mathematics	59
Measuring instruments	147
Mechanic engineering	817
Mechanics	1
Medical	302
Medical appliances	1
Metallurgy	585
Microsoft	80
Mineral products	3
Municipal planning	138
Natural resourses and wildlife conservation	7
Natural sciences	196
Nuclear and fusion power	5
Nuclear physics	17
Obsolete / dated	5
Oil / petroleum	1
Patents	95
Pharmacy and pharmacology	18
Physical sciences	22
Physics	3
Politics	54
Polygraphy	1
Procedural law	11
Religion	1
Research and development	4
Scientific	9
Social science	55
Sociology	2
Statistics	103
Surveying	1
Taxes	20
Technology	226
Textile industry	5
Trade unions	3
Transport	1504
United Nations	8
Work flow	13


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agric.	opslagruimte; storeruimte
industr. construct.	rolgordijn
Stör...
tech.	parasitair; ongewenst