INgxelo yoVavanyo ye-ASTM E2358-17 ye-A70 yangaphandle yonke iNkqubo yokuLawula ngeglasi
INgxelo yoVavanyo ye-ASTM E2358-17 ye-A80 kumgangatho wayo yonke iNkqubo yokuLawula ngeglasi
INgxelo yoVavanyo lwe-ASTM E2358-17 ye-A90 ekumgangatho ophantsi kuyo yonke iNkqubo yokuLawula ngeglasi
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