https://drive.google.com/file/d/1NOQgNrqztk6RQStODR7JlQAuccaESvCz/view?usp=sharing
فيزياء النواه
https://drive.google.com/file/d/1l-oJk15STslB5aRsD4kIDEPmKVusHFsm/view?usp=sharing
مخاطر الكهرباء
https://drive.google.com/file/d/1CYSrPuNuJkuK8nh-Py_NV26s3KtCYPTw/view?usp=sharing
https://drive.google.com/file/d/1zrWwzgRvpaoheeae6xh3AjTqJPyKuoR9/view?usp=sharing
المنصهرات
https://drive.google.com/file/d/1MzAA0MrUt-s0BNLSfbaYtCdeQmMuGyiO/view?usp=sharing
https://drive.google.com/file/d/1575xfvgJs5ot8Z_G3sIkFEO6NGugfjze/view?usp=sharing
الإشعاع
https://drive.google.com/file/d/1AfgjoQkI6upVQzkteR5CBpCHQDr3HdE-/view?usp=sharing
العلاقات
