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(iii) When size of cylinder would not allow securing straight specimens, the specimens could possibly be taken in any site or course and may be straightened or flattened chilly, by stress only, not by blows. (iv) Lasting volumetric expansion may not exceed ten per cent of the entire volumetric expansion https://collinzayup.fireblogz.com/58457753/an-unbiased-view-of-bar-178

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