I am Mr. Mohammed laid.T , Master of Science holder from the Department of Physics at USTHB University, Algeria . i received my Master of Science degree in Physics of Materials and companents/ Emphasis: Physics of Ultrasound and Metallurgy in Jun 2013. i was as Intern at the Welding and Testing Research Center (Alger)during a year, while preparing for a final project for Master Degree/ USTHB , My dissernation was (piezoelectric transformer characterization). during this project, i improved my Competances, communication skills and ability to work individual or in a team environment, ability to implove and creativity . I talk four Languages( English, German ,French and Arabic). Graduation in BSc in fundamental Physics has provided me a strong foundation in quantum physics, thermodynamics and statistical physics and Mecanics. i made an electronic final project so i have experience in Circuit Design (Eagle). .my Master dessernation was entitled (Piezoelectric transformer characterization