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What is the difference between block and brick? Blocks are made from cement and sand (usually lake sand) and are bigger than bricks. They make a stronger wall than bricks. A house built using ...

This strange white paste might not look like much, but it might help solve the sand shortage, while making the cement manufacturing process capture carbon dioxide instead of emitting it.

Along with broken bricks, you'll need one or more bags of quick-drying concrete and at least one bag of sand. You also may want a large square frame to use as a mold for your individual stepping ...