March 7, 2008 at 5:47 am (DOUBTS)
March 8, 2008 at 5:30 am
explain fineness test for make cement?and also explain defects in timber.
March 31, 2008 at 9:12 am
what is firing angle?why is it used?
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ronak said,
March 8, 2008 at 5:30 am
explain fineness test for make cement?and also explain defects in timber.
ronak bhayani said,
March 31, 2008 at 9:12 am
what is firing angle?why is it used?