1. Verifying Circuit Operation States+ 2. Verifying Ohm's Law 1+ 3. Verifying Ohm's Law 2+ 4. Installing a Miniature Bulb Circuit https+ 5. Usage of Common Electrical Tools+ 6. Usage of Common Electrical Instruments 1+ 7. Usage of Common Electrical Instruments 2 + 8. Installation of Incandescent Light Bulb Circuits + 9. Electric Shock+ 10. Extricate the Person with Electric Shock from Power Supply+ 11. Rescue the Person with Electric Shock by Artificial Respiration Method + 12. Rescue the Person with Electric shock by External Chest Compression Method + 13.Installation of Electrical Systems for Single-Unit Residences 1+ 14.Installation of Electrical Systems for Single-Unit Residences 2+ 15. Installation of Single-phase Service Entrance Equipment 1 + 16. Installation of Single-phase Service Entrance Equipment 2+ 17. Temporary Electricity Safety Technology on The Construction Site 1+ 18. Temporary Electricity Safety Technology on The Construction Site 2+ 19.Temporary Electricity Safety Technology on The Construction Site 3 + 20. The Installation of Temporary Power Distribution Boxes for Construction Sites + 21. Assembly and Disassembly of small power three-phase asynchronous motor 1 https://you+ 22. Assembly and Disassembly of small power three-phase asynchronous motor 2 + 23. Assembly and Disassembly of Small Power Three-Phase Asynchronous Motors 1 + 24. Assembly and Disassembly of Small Power Three-Phase Asynchronous Motors 1 + 25. Electrical Control System Diagram and Commonly Used Low-voltage Components + 26. Three-phase Asynchronous Motors Jog Control Circuit + 27. Three-phase Asynchronous Motors Clockwise Control Self-locking Circuit + 28. Three-phase Asynchronous Motors Clockwise/Counterclockwise Control Circuit + 29. Production of Single-phase Bridge Rectifier Filter Circuit 1 + 30. Production of Single-phase Bridge Rectifier Filter Circuit 2+ 31. Production of Series DC Regulated Power Supply 1+ 32. Production of Series DC Regulated Power Supply 2 +