RT @Rainmaker1973: Scientists replaced 40% of cement with rice husk cinder, limestone crushing waste, and silica sand, giving concrete a ru…
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2,535 followers
RT @Rainmaker1973: Scientists replaced 40% of cement with rice husk cinder, limestone crushing waste, and silica sand, giving concrete a ru…
156 followers
RT @Rainmaker1973: Scientists replaced 40% of cement with rice husk cinder, limestone crushing waste, and silica sand, giving concrete a ru…
133 followers
RT @Rainmaker1973: Scientists replaced 40% of cement with rice husk cinder, limestone crushing waste, and silica sand, giving concrete a ru…