| http://www.w3.org/ns/prov#value | - In addition to the foregoing, if heat sinks", such as metallic fins or other metal masses or the like, were employed in conjunction with the PTCR to hasten its recovery after it has been deenergized, it is believed that the PTCR was subjected to thermal stressing having a capacity to physically deteriorate or destroy the PTCR which is, of course, also believed to be a disadvantageous or undesirab
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