Serbian-English dictionary   Subject Number of entries Accumulators 228 Aviation 1 Cables and cable production 302 Computer networks 265 Ecology 56 Economics 6.701 Electric machinery 235 Electric motors 806 Electrical engineering 298 Electricity generation 651 Electronics 799 Isolation 136 Lighting other than cinema 91 Magnetics 256 Mammals 58 Mathematics 2.519 Metrology 165 Microsoft 2.053 Ornithology 60 Patents 109 Power electronics 240 Power lines 268 Power system protection 245 Printed circuit boards 37 Radio 1 Risk Management 58 Statistics 37 Thermal Energy 659 Transformers 223 Ultrasound 31 Vacuum tubes 696 Total: 18.284