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2 answers

well you missed water and air. There are also several additives that can be added to concete to accheive differrent disirable effects.

constituent: a nessissary part or element

but the only nessissary elements are as you listed plus air and water.

consider revising your question. cam pm me also...Lets

2007-02-23 03:28:42 · answer #1 · answered by letsget_dangerous 4 · 0 0

Depends on the mix, it can vary

2007-02-18 17:26:08 · answer #2 · answered by Mike1942f 7 · 0 0

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