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2. Whether the gaps in the brick surface are regular and consistent. 3. Whether the toilets, balconies and kitchen floor tiles with floor drains have sufficient self-drainage inclination. 4. Does the brick surface have broken and chipped? 5, the tile direction is correct, there is no reversal phenomenon. 6. Whether the tile and waistline position is correct, there is no misalignment or height error.
1. Whether the brick surface is flat or not inclined.