Bricks may match in face length and width but vary in thickness, changing both material volume and practical suitability for construction. The commentaries accordingly treat thickness as a relevant part of identifying the mould's product.
Imagine two bricks with a 9 by 4.5 inch face, one 2 inches thick and the other 3 inches thick. The two are not equivalent by volume; delivering the thinner one does not satisfy a contract calling for the thicker specification.
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Why all three brick dimensions matter
Bab al-Salam: Fabric, Gems, Bricks and Precise Specification
Bricks may match in face length and width but vary in thickness, changing both material volume and practical suitability for construction. The commentaries accordingly treat thickness as a relevant part of identifying the mould's product.
Imagine two bricks with a 9 by 4.5 inch face, one 2 inches thick and the other 3 inches thick. The two are not equivalent by volume; delivering the thinner one does not satisfy a contract calling for the thicker specification.