chapter 4 lesson 14 part 1 (electrochemistry-1) for 3rd secondary students ♥️
31:40
chapter 4 lesson 14 part 2 (electrochemistry-1) for 3rd secondary students ♥️
50:28
chapter 4 lesson 15 part 1 ( electrochemistry-2 ) for 3rd secondary students ♥️
29:30
The Sun and the Story Circle
54:20
chapter 4 lesson 16 part 2 (electrochemistry-3 ) for 3rd secondary students ♥️
30:39
الثالث المتوسط الفيزياء..الفصل الأول مراجعة قوانين والمسائل الحسابية
33:19
chapter 3 lesson 13 part 1 ( chemical equilibrium-4) for 3rd secondary students ♥️
56:49
A Boy Manufacturing Large Pistons in a High-Tech Factory Using Precision Techniques and Technology
26:08