How a Massive Steel Shaft Is Made and Fitted Into a Giant Gear

Incredible Gear Making Process | Skilled Afghan Mechanic Builds a Massive Gear on an Old Lathe

Amazing Giant Shaft & Gear Fitting Process in Heavy Workshop | Skilled Workers at Work

Mechanical Girl Brings Her Retired Uncle’s Abandoned 4-Wheeled Truck Back to Life After Years

How I Repaired the Broken Outer Ring of a Giant Bearing