PURPOSE: To carry out loading in such a way that the loading space is reduced to a minimum level, and that the loading will not be easily failed.

CONSTITUTION: A plurality of flat plate tiles (KAWARA in Japanese) 3 are packed with its recessed part 1 and its protruded part 2 aligned with each other, and the packed tile 4 is carried by a carrier device, and when it is to be loaded on a pallet 6 in the terminal end of the carriage process, it is loaed in such a way that the recessed part 1 and the protruded part 2 of the packed tile 4 are engaged with each other, and that the front surface and the rear surface of the packed tile 4 on the upper step are reversed to one another.