***Still valid in 2024***
CRMCA presents the Online Concrete Procedures for preparing for ACI certifications.
A further discussion on Initial Curing, part of C31/C31M—Making and Curing Concrete Test Specimens in the Field
***Updated for 2022***
------------------------------------------------------------------
CRMCA website: [ Ссылка ]
CRMCA Registration for ACI: [ Ссылка ]
ACI website: [ Ссылка ]
ASTM website: [ Ссылка ]
