Sand and stone report what needs, no longer try how to test? speed. The The
What you do with the need to do with the raw material than the re-test
Sand, stone should be re-test, re-test post-mortem report, the order is; material reported into the school report single, list, re-test after the test report (attached to the list), check the list of single, test report tick , If not re-test is only reported that the list and the list, because there is no certificate of gravel.
Must be re-examination, must be reported (post-test to provide a multiple trial on it).
