0 Compton effect, Photon properties, Electron microscope and Optical microscope April 17, 2018 by Heba Soffar · Published April 17, 2018 · Last modified September 4, 2019
0 Heat therapy (Thermotherapy) & What are the clinical uses of heat? October 10, 2016 by Heba Soffar · Published October 10, 2016 · Last modified October 1, 2019
2 The importance and uses of oxygen gas in our life April 5, 2015 by Heba Soffar · Published April 5, 2015 · Last modified January 3, 2020
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