Accounting	56
Accumulators	7
Acoustics	2
Acridology	1
Agriculture	1239
Alcohol distilling	1
Animal husbandry	72
Antennas and waveguides	37
Art	36
Astronautics	30
Astronomy	3
Automated equipment	68
Automatic control	5
Aviation	12
Banking	4
Bioenergy	1
Biology	6
Biotechnology	27
Book binding	3
Botany	42
Brewery	1
Business	25
Canada	8
Cartography	2
Ceramics	2
Chemical fibers	5
Chemistry	619
Cinematography	3
Climatology	3
Coal	61
Commerce	142
Communications	1100
Computer networks	3
Computer numerical control	17
Construction	197
Corporate governance	61
Criminal law	66
Cultural studies	45
Customs	14
Data processing	18
Demography	9
Dyalysis	20
Dyes	11
Earth sciences	338
Ecology	10
Economics	1325
Education	299
Electric machinery	9
Electric motors	11
Electric traction	7
Electricity generation	1
Electrochemistry	1
Electronics	883
Employment	16
Energy industry	251
English	7
Entomology	177
Environment	1515
European Union	13
Fat-and-oil industry	1
Finances	1484
Fish farming pisciculture	211
Fishery fishing industry	21
Food industry	149
Food service and catering	53
Forestry	82
General	3747
Genetics	19
Geography	69
Government, administration and public services	29
Health care	576
Hobbies and pastimes	63
Horticulture	5
Human rights activism	333
Hydrology	11
Hygiene	9
Ichthyology	15
Immigration and citizenship	140
Industry	539
Information technology	597
Insurance	151
International law	14
International Monetary Fund	697
International trade	56
Investment	6
Isolation	5
Knitted goods	1
Labor law	213
Labor organization	6
Laboratory equipment	15
Latin American	3
Law	1553
Leather	2
Librarianship	9
Life sciences	357
Lighting other than cinema	14
Magnetics	9
Marketing	160
Materials science	153
Mathematics	117
Measuring instruments	77
Mechanic engineering	233
Mechanics	3
Medical	2560
Metallurgy	423
Meteorology	1
Microbiology	1
Microscopy	1
Microsoft	306
Milk production	2
Mineral products	24
Mining	1
Municipal planning	17
Name of organization	1622
Natural resourses and wildlife conservation	64
Natural sciences	428
Nuclear and fusion power	4
Nuclear physics	70
Obsolete / dated	165
Oceanography & oceanology	1
Oil / petroleum	10
Packaging	248
Paint, varnish and lacquer	1
Patents	697
Pest control	143
Pets	2
Pharmacology	2
Pharmacy and pharmacology	74
Photography	2
Physical sciences	22
Physics	3
Piezoelectric crystals	8
Planning	2
Politics	813
Power electronics	6
Power system protection	1
Private international law	5
Procedural law	57
Pulp and paper industry	10
Radio	10
Radiology	4
Rail transport	1
Reliability	1
Religion	23
Remote sensing	42
Research and development	48
Resins	2
Satellite communications	2
Scientific	20
Scuba diving	9
Security systems	13
Social science	525
Socialism	4
Sociology	19
Soil science	46
Sound recording	4
Spices	1
Statistics	351
Sugar production	2
Superconductivity	1
Taxes	164
Technology	199
Telecommunications	12
Telegraphy	11
Telephony	8
Textile industry	156
Thermal Energy	13
Tobacco industry	3
Trade unions	22
Transport	1214
Ultrasound	1
United Nations	1653
Veterinary medicine	27
Video recording	4
Virology	2
Waste management	4
Water resources	195
Water supply	3
Welding	12
Welfare & Social Security	1
Wind Energy	1
Wood processing	25
Work flow	117


l abbr.
tech.	longitud; momento cuadrático de una superficie; 1 litro; l


transcodage abbr.
commun.	transcodificación; transcodificador; conversión de código


conversion de code abbr.
commun.	conversión de código; transcodificación; transcodificador