air entraining agent meaning in Hindi

Examples

1. Air entraining agents have been the salvation of wet cast concrete as it pertains to its durability.
2. The AFIT instrument quantifies the dynamic foaming properties of air entraining agents, surfactants and foaming materials.
3. A concrete maker introduces the bubbles by adding to the mix an air entraining agent, a surfactant ( surface-active substance, a type of chemical that includes detergents ).