For a long time, the way we made important tools and machinery was stuck in the past. We relied on giant factories that sat in one place and stayed there for years. We depended on long supply chains that stretched across oceans and continents. If you needed a specialized part or a new vehicle, you waited weeks or months for it to arrive. This old model worked fine when the world moved slowly, but today, we face situations where waiting is not an option. Whether it is a humani