Glass is very useful material.Process for making glass is described below in 10 steps.
1. Get sufficient amount of silica sand.
2. Add Sodium carbonate and calcium oxide to the sand.
3. Add other chemical to improve quality of glass.
4. Add desired color chemical.
5. Place the produced chemical into heat resistance crucible.
6. Melt the mixture into liquid.
7. Homogenized and remove bubbles from mixture.
8. Shape the molten glass.
9. Let the glass cool.
10.Treat-Heat glass to strengthen it.
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