| http://www.w3.org/ns/prov#value | - These jackets receive water or other suitable conditioning fluid from a source 32, e.g., a tank, by way of a fluid-circulating device which includes conduits 34, connecting the tank 32 with the jacket 31, a further conduit 36 which connects the jacket 31 with the lower end of the jacket 30, a return conduit 37 which connects the upper end of the jacket 30 with the tank 32, and a pump 33 which is i
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