Answer:
Hindi ako really sure sa answer ko but i hope it helps!
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Answer:
How to Make Glasses
1: People made the first all-glass material about 3500 years ago. Several solid materials
1: People made the first all-glass material about 3500 years ago. Several solid materialsare used to make the glass.
2:Know the materials needed in making glass. The two main materials are sand and soda ash.
3: Prepare all the materials needed.
4:Grind the materials into very small pieces.
5:Then, they are heated over hot fires. The sand and soda ash melt together.
6: They form a liquid. The liquid is then poured into a shape.
Finish: When the liquid cools, a glass will be formed.
Hindi ako really sure sa answer ko but i hope it helps!