Polish-Arabic dictionary   Subject Number of entries Accumulators 313 Antennas and waveguides 1.754 Automatic control 1.006 Cables and cable production 364 Computer networks 402 Ecology 133 Electric machinery 673 Electric motors 1.298 Electric traction 1.287 Electrical engineering 505 Electricity generation 1.179 Electronics 3.775 Emphatic 2 Environment 7.022 General 11.463 Isolation 848 Lighting other than cinema 1.610 Magnetics 1.035 Mathematics 5.372 Metrology 165 Microsoft 13.553 Nuclear physics 2 Physics 555 Piezoelectric crystals 594 Power electronics 360 Power lines 1.028 Power system protection 658 Printed circuit boards 72 Radio 2.414 Radiobiology 440 Radiology 1.050 Rail transport 571 Reliability 709 Satellite communications 263 Semiconductors 488 Sound recording 705 Statistics 148 Telecommunications 1.116 Telegraphy 1.186 Telephony 386 Thermal Energy 959 Transformers 296 Ultrasound 43 Vacuum tubes 868 Video recording 209 Welding 206 Wind Energy 168 Total: 69.253