Arabic-Serbian dictionary   Subject Number of entries Accumulators 211 Cables and cable production 291 Computer networks 359 Ecology 87 Electric machinery 178 Electric motors 894 Electrical engineering 322 Electricity generation 718 Electronics 812 Isolation 189 Lighting other than cinema 144 Magnetics 287 Mathematics 1.326 Metrology 144 Microsoft 1.896 Power electronics 260 Power lines 228 Power system protection 258 Printed circuit boards 39 Radio 1 Statistics 528 Thermal Energy 675 Transformers 227 Ultrasound 33 Vacuum tubes 702 Total: 10.809