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Old 07-31-2003, 03:22 PM   #21
leecea
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Member#: 37359
Join Date: May 2003
Vehicle:
2003 WRX

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I just looked on Google - it's a concrete block (Concrete Masonary Unit).

I think they might be too brittle to trust, but I don't know much about concrete. I guess my foundation is made with them and my house hasn't collapsed yet
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