Production system, processed object manufacturing method, and container transferring method

A processed object manufacturing method using items having been supplied, comprising:

• selecting only one of a plurality of transfer mechanisms provided alongside and transferring a container of the selected transfer mechanism to an item feeding position;
• holding an item stored in the container transferred to the item feeding position using a carrier device and carrying the held item to a preliminary determined transfer position P1;
• and
• holding the container transferred to the item feeding position using the carrier device and carrying the container from the item feeding position to a preliminary determined transfer position P2 over an item feeding position for a different one of the transfer mechanisms.

A container transferring method, comprising:

• transferring a plurality of containers each storing an item to a corresponding waiting position in a first direction;
• transferring only one of the plurality of containers having been transferred to the waiting positions to an item feeding position on a downstream side of the waiting position in a transfer direction;
• and
• moving the container upward after taking out the item stored in the container at the item feeding position and transferring the taken out item in a second direction intersecting with the first direction.