Accounting	11
Agriculture	49
Antennas and waveguides	1
Astronomy	20
Automated equipment	5
Automatic control	1
Banking	11
Business	3
Chemistry	4
Commerce	23
Communications	50
Computer numerical control	1
Construction	18
Corporate governance	8
Criminal law	2
Cultural studies	2
Demography	5
Dyalysis	3
Earth sciences	5
Ecology	1
Economics	87
Education	21
Electric motors	1
Electronics	11
Employment	1
Energy industry	1
English	2
Environment	15
Finances	152
Fish farming pisciculture	5
Food industry	1
General	305
Government, administration and public services	10
Health care	16
Hobbies and pastimes	1
Human rights activism	8
Immigration and citizenship	6
Industry	5
Information technology	32
Insurance	28
International trade	21
Labor law	11
Law	186
Librarianship	2
Life sciences	8
Lighting other than cinema	2
Marketing	16
Materials science	6
Mathematics	6
Measuring instruments	3
Mechanic engineering	7
Medical	58
Metallurgy	13
Microsoft	8
Municipal planning	2
Name of organization	42
Natural sciences	5
Nuclear physics	1
Obsolete / dated	40
Packaging	2
Patents	10
Pharmacy and pharmacology	6
Politics	143
Procedural law	1
Religion	1
Research and development	3
Security systems	2
Social science	15
Statistics	31
Taxes	13
Technology	5
Trade unions	11
Transport	49
United Nations	37
Work flow	7


unit step function abbr.
commun. el.	funzione a gradino unitaria
math.	funzione a gradino unitario; funzione di Heaviside