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user6591
  • Member for 7 years, 9 months
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10 votes
1 answer
2k views

Brown glass and WWII

5 votes
1 answer
283 views

Is there any information about Soshandukht or her father?

4 votes
3 answers
5k views

Fish/Shark skin sandpaper

3 votes
3 answers
1k views

Profit of slave labor in America

3 votes
1 answer
458 views

When did static electricity become a common occurrence?