Which revolutionary product innovation was first developed for military use during WWII but later became fundamental to modern manufacturing and quality control across all industries?

Throughout history, military necessity has driven remarkable product innovations that later transformed civilian life. From radar to GPS, military R&D has shaped our modern world in unexpected ways. This poll tests your knowledge about a critical wartime innovation that revolutionized both military operations and eventually transformed civilian product development. See if you can identify which groundbreaking technology emerged from military needs and changed our approach to product design forever.

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Statistical Process Control (SPC)
Just-In-Time Inventory Management
Computer-Aided Design (CAD)
Lean Manufacturing Methodology