Buzzers are used in many different places, one of them is?

Buzzers are used in many different places, one of them is?

1. a washing machine
2. a blender
3. the door bell
4. Semua jawaban benar
5. Semua jawaban benar

Jawaban: C. the door bell.

Dilansir dari ensiklopedia, buzzers are used in many different places, one of them is the door bell.