[Student Question] How to calculate the amount of marble and granite paving?
[Answer] The engineering volume of marble and granite is calculated in square meters according to the actual paved area. The area of â€‹â€‹the column, the wall and the hole other than 0.3 square meters should be deducted, but the area of â€‹â€‹the door and the empty circle is also increased accordingly.
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