Hundreds of millions of tons of sand are consumed annually as construction material, so much so that some places have experienced shortages of sand.
وسنويا تُستهلك مئات ملايين الاطنان من الرمل كمواد بناء ،‏ الى حد ان بعض الاماكن تعاني نقصا في الرمل .‏