| http://www.w3.org/ns/prov#value | - This means that the water would flow using gravity and would not require electricity to pump the water (like they use now.) Now, if the pumps fail, Midlothian would have a boil order because backflow could cause contamination.Regarding revenue, water towers are often used to advertise, or to house antennae of varying types for radio or internet connectivity.
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