What is Portland Pozzolana cement, Pozzolanic action and its use.

[@RobinSingh-qr7dm]

Thank you sir

[@sanjeebray3330]

Sir Portland pozzolan history ki ek video banaia or chemical components

[@civilpedia4309]

Sure Sanjeeb..👍🏼

[@HarilalConstruction]

Retaining wall ka L under ki taraf q hota hai