Ratio between the energy directly used (called useful energy) and the energy received. In general, the useful energy is less than the energy received due to losses.
What is Energy Efficiency?
📅 August 27, 2020
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📅 August 27, 2020
Ratio between the energy directly used (called useful energy) and the energy received. In general, the useful energy is less than the energy received due to losses.



Awareness of breast and cervical cancer screening .