स्मोक डिटेक्टर क्या है? और कैसा कार्य करता है? | What Is Smoke Detector? And How Does It Work?

@safetechno
Dosto iss video me hamne smoke detector ke baare me bataya hai
smoke detector kaise kaam karti hai aur unke type kitne hain iss video me saari jaankari aapko mil jaayegi
dosto aisi hi technical support ke liye channel ko subscribe jarur kare
thanks 😊