0 Ultrasonic welding process uses, advantages and disadvantages August 12, 2016 by Heba Soffar · Published August 12, 2016 · Last modified December 20, 2019
4 The ways of heat transfer through different media April 6, 2015 by Heba Soffar · Published April 6, 2015 · Last modified January 4, 2020
0 The ammeter and measuring the electric current intensity February 25, 2016 by Heba Soffar · Published February 25, 2016 · Last modified October 20, 2019
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