Arabic-Polish dictionary   Subject Number of entries Accumulators 313 Antennas and waveguides 1.755 Automatic control 1.006 Cables and cable production 365 Computer networks 402 Ecology 133 Electric machinery 674 Electric motors 1.298 Electric traction 1.287 Electrical engineering 506 Electricity generation 1.182 Electronics 3.782 Emphatic 2 Environment 7.033 General 11.476 Isolation 850 Lighting other than cinema 1.610 Magnetics 1.035 Mathematics 5.377 Metrology 165 Microsoft 13.635 Nuclear physics 2 Physics 555 Piezoelectric crystals 594 Power electronics 360 Power lines 1.029 Power system protection 658 Printed circuit boards 72 Radio 2.415 Radiobiology 440 Radiology 1.050 Rail transport 571 Reliability 710 Satellite communications 264 Semiconductors 489 Sound recording 705 Statistics 148 Telecommunications 1.117 Telegraphy 1.186 Telephony 386 Thermal Energy 959 Transformers 296 Ultrasound 43 Vacuum tubes 868 Video recording 209 Welding 206 Wind Energy 168 Total: 69.386