Friday, January 13, 2012
Wednesday, January 11, 2012
questions
1.how do we make things stronger?
what is alloys and bessemer process
2.how do we make things smaller and better
what is compressing
3.how do we make things cleane
4.how do we make things smarter
what is alloys and bessemer process
2.how do we make things smaller and better
what is compressing
3.how do we make things cleane
4.how do we make things smarter
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