7.2K views · 18 reactions | How to make a home security alarm project at home with Bangla electrical project. খুব সহজেই ঘরে বসে তৈরি করুন একটি ঘরের নিরাপত্তার এলাম। https://business.facebook.com/sound/collection/?sound_collection_tab=sound_tracks&asset_id=592271352837708&reference=direct_link | Bangla Electrical project | Facebook

55K views · 39 reactions | You may not hear a smoke alarm from another room. All smoke alarms in your home should be interconnected - this means that no matter where a fire starts - all alarms will sound. Find out how to protect your family at www.cfa.vic.gov.au/smokealarms | CFA (Country Fire Authority) | Facebook