How Everything Is Made on Instagram: "A car transmission is built through a precise, multi-stage process designed to handle enormous forces while delivering smooth power. It begins with gears, shafts, and housings machined from hardened steel and aluminum to extremely tight tolerances. Inside the assembly line, gears are stacked, synchronized, and aligned onto shafts, while bearings, clutches, and seals are carefully installed to reduce friction and manage heat. In automatic transmissions, hydra