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1689oops i forgot..

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  • robi dawson
    Jun 7, 2003
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      ... i forgot to ask about water proofness of materials.

      How is the degree a material is waterproof represented in the US?

      here it's sg like:

      1000mm up to 10 000mm but i do not know if that means mm/m2 or height of
      water from material or whatever, confusing but darn intersting if you ask me...

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