tiempo de rotación del disco: 24 horas

Accumulators	2
Agriculture	12
Antennas and waveguides	18
Automated equipment	12
Automatic control	21
Chemistry	7
Coal	2
Commerce	3
Communications	71
Computer numerical control	6
Computers	1
Demography	1
Dyalysis	3
Earth sciences	26
Economy	30
Electric motors	10
Electric traction	6
Electricity generation	9
Electronics	182
Environment	6
Finances	15
Fish farming pisciculture	1
General	26
Government, administration and public services	1
Health care	20
Hobbies and pastimes	5
Industry	15
Information technology	59
Labor law	22
Law	6
Life sciences	3
Lighting other than cinema	5
Magnetics	4
Materials science	6
Mathematics	8
Measuring instruments	23
Mechanic engineering	21
Medical	29
Metallurgy	26
Microsoft	26
Mineral products	1
Name of organization	1
Natural sciences	2
Nuclear physics	7
Packaging	8
Patents	7
Physics	4
Piezoelectric crystals	6
Politics	2
Power lines	11
Power system protection	26
Radio	5
Radiology	1
Rail transport	2
Reliability	3
Semiconductors	1
Social science	2
Sound recording	5
Statistics	16
Technology	22
Telecommunications	12
Telegraphy	7
Textile industry	7
Thermal Energy	3
Transport	46
Vacuum tubes	2
Video recording	1
Welding	1
Work flow	1


tiempo
environ.	tempo; tempo; condizioni meteorologiche; condizioni atmosferiche
hobby cultur. commun.	tempo atmosferico