PDF مضخات الطرد المركزي pdf Ali A B D U L L A H Alfotahi
مجلة العلوم القانونية 2022 The scope of the electrical power facility is determined by its employees mistakes as follows and subject to its control and guidance as well as those affiliated with mechanical machines or dangerous things that require special attention and can be denied the responsibility based on a number of means to which the defendant is resorted to it