FROM BROKEN BOTTLES TO PERFECT MARBLES ♻️ | How Glass Marbles Are Made | Factory Documentary

How glass bottles turn into marbles — watch broken bottles get crushed, washed and melted at 1500°C, then shaped into flawless high-end glass marbles in this factory documentary. The full marble manufacturing process: collection, color sorting, crushing, washing, melting, gob cutting, forming, annealing, polishing, quality control and packaging — with the real ambient sounds of the factory floor. 🏭♻️ #marbles #howmarblesaremade #glassrecycling #factorydocumentary #howitsmade #manufacturing #satisfying #factorymorphinside #glassfactory