Would be interesting to hear about most famous inventions in other countries. From Sweden, or Swedish inventors: Dynamite. The sun valve (https://en.wikipedia.

Would be interesting to hear about most famous inventions in other countries. From Sweden, or Swedish inventors: Dynamite. The sun valve (https://en.wikipedia.org/wiki/Sun_valve https://en.wikipedia.org/wiki/Sun_valve). The milk separator. Tetrahedron-shaped plastic-coated paper carton packaging. The self aligning ball bearing. All these were part of early history of what became larger companies existing to this day. The adjustable spanner, the zipper and the propeller are also sometimes mentioned in this category within Sweden, but are the also referring to inventors with partly Swedish origin or for improvements of previous designs.