This tradition dates back to a time when hot and cold water were kept separate to prevent contamination through cross connection," he said. "Cold water came from a mains supply and was fit for drinking. Hot water would be serviced by a local storage cistern often situated in the loft.
Explanation:
I hope it can help you but if you think this answer is wrong then don't copy it ^_^
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Answer:
This tradition dates back to a time when hot and cold water were kept separate to prevent contamination through cross connection," he said. "Cold water came from a mains supply and was fit for drinking. Hot water would be serviced by a local storage cistern often situated in the loft.
Explanation:
I hope it can help you but if you think this answer is wrong then don't copy it ^_^
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Answer:
to separate the temperature to hot and cold water
Explanation: