When repairing the outer wall of the tile, use it to confirm the floating tile.
On 2014-05-20 14:30:04
Currently, pumpkin type of the cattle and a hexagonal type of a certain company are used, but hexagonal type is suitable for high accuracy judgment. In pumpkin type, it may be impossible to judge a slight amount of floatation. It is unknown whether there is a patent relation, but we would like to have hexagon provided if possible.