It's done by: 1)putting hot water in a jug -2)Inserting the bottle on it-
3)Wait for 5-10 minutes (or more...depending on water temperature)
4)Make sure it's not to hot (or to cold) before giving it back to parent.
5)Give the bottle back dry!
This is the normal procedure...but to avoid all this....
I would suggest to heat the bottle (and the screaming baby) in N.1 engine!
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*************************Happy Landings!
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