| 摘要 |
The flagstone slab is divided by grooves (1) forming joints into a number of small sections (2). These sections can be broken off from the main slab. The grooves can be filled with mortar, and where the sections are glazed the glazing can be removed at the grooves. At the groove edges, the slab surface can be chamfered or preferably radiused (5), and the thickness left at the grooves can be from 0.7 to 1.5mm. The grooves can be partly formed by pressing, the remainder being cut out after firing.
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