| http://www.w3.org/ns/prov#value | - The control device claimed in claim 12, in which the machine is a clothes dryer, and in which the conduit is one of the two live electrical wires of a 220-volt electrical supply which also includes a neutral wire, the machine having an electrical resistance type heating means, a drum rotated by an electrical motor and an air blower operated by the motor, the heating means receiving the full 220
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