Print out! Special worksheets to support your learning.
Challenge! Special questions about the secret of the glass.
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Welcome to the glass museum
I am the director of this museum.
Let's watch some secrets of the glass together.
My name is Glass.Let's watch some secrets of the glass with me.
It is a site to learn about the secret of glass. There is something such
as what glass is. So, through this site,we investigated the secret of glass.
We tried to summarize and tell you what we understood.
