noun
food tray; stackable container
Used in the food industry for transporting or storing food items; often stackable plastic or metal trays.
工場では、食材を番重に入れて冷蔵庫に保管する。
At the factory, they put ingredients into food trays and store them in the refrigerator.
この番重は積み重ねられるので、省スペースになる。
These food trays are stackable, so they save space.