| 摘要 |
PROBLEM TO BE SOLVED: To solve problems, for example, when an object to be transported is transported from a storage building to another storage building, in carrying-in work of the object to be transported to a storage area and shipping work from the storage area in a carrying-in and shipping area included in the storage building, health of a worker is damaged or facility cost is significantly increased.SOLUTION: A specific trolley 5 is used. The trolley travels by engine traveling (engine driving) that an engine serves as a drive source of the trolley when moving from a storage building to another storage building, or carrying the object to be transported, and travels by battery traveling (power driving) that a motor serves as the drive source of the trolley in the carrying-in and shipping area of the respective storage building. |
