Share: Title:Genius engineering: Repairing electronic circuit board welding machines is extremely complicated. Duration: 36:51 Plays: 179K 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 179K views • 15 hours ago ▶️ 31:18 The Girl Went To The Place To Fix The Broken And Abandoned High-powered Tractor. 179K views • 2 days ago ▶️ 23:18 Mobile Repair Girl Goes Door To Door To Help Fix Broken Motorbikes, Happy Moments With Pets. 179K views • 4 days ago ▶️ 24:56 Girl Repairs Blower Used To Clean Nuts, Replaces Car Muffler. 179K views • 3 weeks ago ▶️ 27:44 The Girl Went To The Site To Repair The Large Capacity Two-function Tractor Harrow. 179K views • 6 days ago