Serbian-Portuguese dictionary   Subject Number of entries Accumulators 207 Cables and cable production 282 Computer networks 238 Ecology 52 Economics 6.689 Electric machinery 188 Electric motors 872 Electrical engineering 305 Electricity generation 657 Electronics 748 Isolation 129 Lighting other than cinema 91 Magnetics 274 Mammals 65 Mathematics 2.137 Metrology 127 Microsoft 2.932 Obsolete / dated 2 Ornithology 63 Patents 104 Power electronics 256 Power lines 231 Power system protection 255 Printed circuit boards 37 Radio 1 Risk Management 54 Statistics 887 Thermal Energy 636 Transformers 226 Ultrasound 32 Vacuum tubes 693 Total: 19.470