Usage patterns
〈物〉を容器に入れるto put something into a container
I put the leftover soup into a container and stored it in the fridge.
容器から〈物〉を取り出すto take something out of a container
I took the cookies out of the container and arranged them on a plate.
容器を密閉するto seal a container airtight
I sealed the container tightly to keep out moisture.
容器に〈物〉が入っているthere is something in the container
There is salt in this container.