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2 answers

Decomposed granite.

http://www.redding.com/redd/news/article/0,2232,REDD_17523_3738978,00.html

I couldn't find any formal rules for the shotput that requires such material, but decomposed granite seems to be the standard for this kind of track and field application.

good luck.

2006-06-23 08:22:29 · answer #1 · answered by Mantis 6 · 0 0

A black hole

2006-06-23 06:13:33 · answer #2 · answered by bold4bs 4 · 0 0

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