S DHEERAJ

Newbie · From andhra pradesh

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Mar 4, 2018

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Mar 6, 2018

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    S DHEERAJ

  • Mar 4, 2018

  why we choose opc 33,43,53 grade of cement ?why not 63,73,23?can you explain?

  

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    S DHEERAJ

  • Mar 4, 2018

  BE YOURSELF
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