prov:value
| - Besides using RF energy for energizing the heating element, it is to be understood that other forms of energy such as alternating current, microwaves, ultrasound, and light (either coherent (e.g., laser) or incoherent (e.g., light emitting diode or tungsten filament) can be used), and that the thermal energy generated from a resistive coil, a hot fluid element (e.g., circulating liquids, gases, co
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