i limiti di sicurezza sono espressi in rad nell'unità di tempo

Accounting	155
Agriculture	765
Animal husbandry	5
Art	35
Astronautics	6
Astronomy	8
Automatic control	6
Banking	10
Book binding	1
Business	16
Chemistry	428
Climatology	1
Coal	83
Commerce	95
Communications	542
Computer numerical control	4
Construction	192
Corporate governance	1
Criminal law	81
Cultural studies	44
Customs	8
Data processing	2
Demography	2
Dyalysis	3
Earth sciences	96
Ecology	5
Economy	779
Education	175
Electrical engineering	2
Electronics	303
Employment	3
Energy industry	81
English	3
Environment	714
European Union	8
Finances	1163
Fish farming pisciculture	70
Fishery fishing industry	2
Food industry	104
Footwear	6
Forestry	7
General	2964
Genetics	1
Geography	33
Government, administration and public services	30
Health care	406
Hobbies and pastimes	51
Human rights activism	184
Immigration and citizenship	86
Industry	354
Information technology	489
Insurance	126
International law	3
International trade	103
Investment	3
Labor law	131
Labor organization	1
Laboratory equipment	1
Latin American	4
Law	1220
Leather	7
Life sciences	108
Marketing	191
Materials science	101
Mathematics	45
Measuring instruments	4
Mechanic engineering	192
Medical	408
Metallurgy	295
Microsoft	66
Mineral products	18
Mining	1
Municipal planning	41
Name of organization	46
Natural resourses and wildlife conservation	22
Natural sciences	212
Nuclear and fusion power	5
Nuclear physics	23
Obsolete / dated	96
Oil / petroleum	5
Packaging	9
Patents	75
Pest control	1
Pharmacy and pharmacology	63
Physical sciences	10
Politics	501
Power system protection	8
Private international law	3
Procedural law	23
Psychology	2
Radio	2
Religion	23
Research and development	55
School	3
Scientific	27
Security systems	5
Social science	415
Sociology	9
Sound recording	2
Statistics	228
Taxes	59
Technology	100
Telephony	2
Textile industry	20
Trade unions	32
Transport	778
United Nations	120
Waste management	1
Water resources	2
Welding	3
Wood processing	5
Work flow	28

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limite di sicurezza
earth.sc. mater.sc.	safe limit; safety limit
transp.	clearance


Stato
econ.	State
ero
social.sc.	boy; Henry


espresso
transp.	fast train


Ino
med.	inosine


rada
transp. nautic.	rds


unità di tempo
meas.inst.	unit time