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Canteen .
The container that you can boil water in is called a beaker.
That which you carry in with you.
In a container, easily.
i really dont know dont ask me haha
canteen?
convex
A reservoir is a man made body of drinking water.
Some impurities (but only in extremely traces) can be dissolved from the container walls; generally this is not important for drinking water.
Because They needed fresh American Water for drinking and Cooking
This is called the meniscus. The meniscus is caused by the high surface tension of water.
It's called condensation.