| D004736 |
Energy-Generating Resources |
Materials or phenomena which can provide energy directly or via conversion. |
Primary Energy Resource,Primary Energy Resources,Secondary Energy Resources,Energy Generating Resources,Energy Resource, Primary,Energy Resource, Secondary,Energy Resources, Primary,Energy Resources, Secondary,Energy-Generating Resource,Resource, Energy-Generating,Resource, Primary Energy,Resource, Secondary Energy,Resources, Energy-Generating,Resources, Primary Energy,Resources, Secondary Energy,Secondary Energy Resource |
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| D014159 |
Transducers |
Any device or element which converts an input signal into an output signal of a different form. Examples include the microphone, phonographic pickup, loudspeaker, barometer, photoelectric cell, automobile horn, doorbell, and underwater sound transducer. (McGraw Hill Dictionary of Scientific and Technical Terms, 4th ed) |
Transducer |
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