See how powdered raw materials are turned into materials for lenses. Take the opportunity to look at processes you are normally unable to see, such as a mixer blending raw materials and the spectacle of glass being poured. Parts: 1. Material blending, 2. Pre-Fusing 3. Fusing/Cooling, 4. Quality inspection, 5. Press / Forming, 6. Annealing
No comment? Then make this the only comment to this video :)
trankhanhvinhan 1 month ago