| http://www.w3.org/ns/prov#value | - That is, high frequency power is supplied to the lower end coil in a manner such that the high frequency power is supplied to the lower end coil from a separate power source from the upper coil, or in a manner such that the high frequency power is supplied to the lower end coil from a power source common to the upper coil and via a system such as a tap or a thyristor separately from the upper coil
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