| 摘要 |
PROBLEM TO BE SOLVED: To cool each container from an outer periphery and the inside of containers. SOLUTION: A plurality of containers 1 are arranged in a square or rectangular shape viewed from a plane while a part or all of at least one side walls of side walls of all containers 1 except the side walls facing outward are placed so that an edge formed between the containers 1 is facing a slit 3 opened outside. An upper stage group of containers 2 placed in the same arrangement as that of a group of the containers 2 is staked on a lower stage group of containers 2 while being rotated by 90 deg. or 180 deg.. Each container 1 constituting the upper stage group of containers 2 is mounted so that it comes across two or more containers 1 among containers 1 constituting the lower stage group of containers 2. A plurality of fitting parts provided on a lower face of each container 1 constituting the upper stage group of containers 2 are fitted respectively into upper openings of different containers 1 constituting the lower stage group of containers 2. |
