Рет қаралды 731
CRMCA presents the Online Concrete Procedures for preparing for ACI certifications.
C173/C173M-Air Content of Freshly Mixed Concrete by the Volumetric Method
**2025 Update**
------------------------------------------------------------------
CRMCA website: www.crmca.org/
CRMCA Registration for ACI: www.crmca.org/...
CTAC: www.concreteta...
ACI website: www.concrete.org/
ASTM website: www.astm.org/