The company makes concrete bricks made up of cement and sand.
Click here👆to get an answer to your question ️ The company makes concrete bricks made up of cement and sand. The weight of a concrete brick has to be at least 5 kg. Cement costs 20 per kg and sand costs of 6 per kg. Strength consideration dictates that a concrete brick should contain minimum 4 kg of cement and not more than 2 kg of sand.