... outstanding service white ceramic tiles1. This is the best tile for hotel, airport, Department stores, Residential buildings, big ... , in percent, of the average size for each tile (2 or 4 sides) from the work size ... , in percent, of the average size for each tile (2 or 4 sides) from the average size ... in percent, of the average thickness of each tile from the work size thickness.±5%/Straightness of sides ...