Share: Title:Genius engineering: Repairing electronic circuit board welding machines is extremely complicated. Duration: 36:51 Plays: 178K views Published: 5 months ago Download MP3 Download MP4 Simillar Videos ▶️ 29:54 Mobile Repair Girl Helps People On The Spot To Repair Broken Motorbikes And Devices 178K views • 4 hours ago ▶️ 27:44 The Girl Went To The Site To Repair The Large Capacity Two-function Tractor Harrow. 178K views • 6 days ago ▶️ 24:56 Girl Repairs Blower Used To Clean Nuts, Replaces Car Muffler. 178K views • 3 weeks ago ▶️ 31:18 The Girl Went To The Place To Fix The Broken And Abandoned High-powered Tractor. 178K views • 2 days ago ▶️ 2:22:31 The Whole Process Of Restoring A Dilapidated Motorbike Into A Brand New One, The Life Of A Repair. 178K views • 2 weeks ago