38:18
18-year-old genius girl repairs and builds new inverters for car air conditioners
26:25
GENIUS GIRL; Repair and restore old TIGER 6.5 HP water pump engine | Gasoline engine
33:41
18-year-old genius girl has repaired and restored many broken lithium battery charging fans
58:32
Unbelievable! Full Restoration of an Abandoned 4 Cylinder Diesel Engine Brought Back to Life!
1:04:17