Figures 4–6
From: Experimental study on the properties of modern blue clay brick for Kaifeng People's Conference Hall

Figure 4 Brick samples. Figure 5 Specimen cutting and grinding. Figure 6 Sample finished product.
From: Experimental study on the properties of modern blue clay brick for Kaifeng People's Conference Hall

Figure 4 Brick samples. Figure 5 Specimen cutting and grinding. Figure 6 Sample finished product.