| http://www.w3.org/ns/prov#value | - To supply working fluid, a supply of fluid includes a pipe or the like 22 to guide the flow of water or other fluid from a convenient source, an additive dispenser 24 and a valve such as a faucet or the like 26 positioned so that water or other working fluid may flow through the pipe 22 from a source, through the additive dispenser 24 and into the tank 16.
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