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Mga link ng tutorials na kailangan mong panuorin. Paano gumawa ng portable generator step by step part 1 https://youtu.be/-cX1AfMRuQ8 Portable solar generator tutorial step-by-step part 2 https://youtu.be/iyPdxq4ITOs Paano gumawa ng lifepo4 4s2p at mag install ng bms https://youtu.be/N8YX_57Luzs Paano gumamit ng multi tester for beginners https://youtu.be/1p9n6zsyLOw Paano gumawa ng diy dc bulb 3.7volts to 12volts https://youtu.be/NMAIZlfBXYY How to make salt water lamp https://youtu.be/IogQzuze8fE