What is Clay Brick? (with pictures) - Info Bloom
2020-7-2 · First-class bricks are fine-looking, well-burnt in kilns, table-moulded, rectangular with sharp edges. Its surface is clean, smooth and has no cracks, these bricks are very hard bricks. First-class bricks are mostly used for face work structure or superior work. 2.Second Class Bricks (Grade B):
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