ISBN-13: 9786204978246 / Angielski / Miękka / 52 str.
In this project we can repple the snake during the grass cutting. With help of this project we can ensure the safe grass cutting to avoid the snake bite. Many Indian formers die by the snake bite every year, and we kill many more snakes in fear and retribution. Activities have struggled for year to help both snake and without loss of life. It has developed a sounded up walking stick that it describe as Solar powered ultrasonic transducer repeller that emits ultrasonic waves designed to keep snakes at least 50 meters away. Frequency above 20 KHz are ultrasonic but snake sense low frequency sound of less than 1 KHz. No species of serpent is known to high frequency.