| 摘要 |
PROBLEM TO BE SOLVED: To make easily confirmable the remaining quantity of raw materials without wasting of replenishing work by providing a mirror for reflecting and displaying the stock state of raw materials in a raw material stock container. SOLUTION: The raw material stock container 1 is composed of a main body 10 of container having a raw material inserting port 10a at the upper part, a lid 11 on which the raw material inserting port 10a is supported by a hinge 11a so as to be opened/closed, a mirror 14 provided on the rear side of the lid 11, and a remaining quantity display panel 15 for displaying the remaining quantity of raw materials 5 behind the inner surface of the main body 10 of container. The mirror 14 reflects and displays the stock state of raw materials 5 in the raw material stock container 1. Concerning this device, at the time of a check, a service staff opens the lid 11 of each raw material stock container 1 to the suitable angle and confirms the remaining quantity of raw materials through the mirror 14 provided on the rear side of the lid 11. When the red color of a remaining quantity lack indication area 15a is watched, since the remaining quantity of raw materials 5 is lacked, the service staff puts the raw materials from the raw material inserting port 10a of that lacked raw material stock container 1 and replenish it with raw material.
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