Write a short note on concrete
Mortar, a mixture of cement and sand, is used for binding bricks, stones and for plastering the walls. When mortal is mixed with gravel and allowed to set, it forms concrete. Concrete is sturdy construction material.
Mortar, a mixture of cement and sand, is used for binding bricks, stones and for plastering the walls. When mortal is mixed with gravel and allowed to set, it forms concrete. Concrete is sturdy construction material.