Friday, March 4, 2011

Propertise of Good Sand

Good sand should be pure silica.It should be free from clay, salt,silt and organic matters.It is better wash sand before construction work.

1 comment:

  1. well, i was hoping for an more elaborate explanation, but i suppose engineers arent as interested in building materials as architects are. welp, beggars arent choosers i guess

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