In the contemporary automotive landscape, pure electric vehicles (EVs) have emerged as a significant and innovative alternative to traditional internal – combustion – engine vehicles. These vehicles, which operate solely on battery – stored energy to propel themselves, possess a multitude of unique advantages that set them apart.What advantages do pure electric vehicles have over traditional vehicles?1. Environmental Protection and Energy ConservationPure electric vehicles...

Mice have a hearing range that extends into the ultrasonic range, from about 1 kHz to 100 kHz, which is much higher than the human range of 20 Hz to 20 kHz. Mice are most sensitive to frequencies between 12 kHz and 24 kHz.      Ultrasonic rodent repellers are not effective pest control for mice because mice and other rodents can quickly become accustomed to repeated sounds. Ultrasonic sound waves may also be blocked by the objects mice ...