68K views · 2K reactions | Epic pranks on friends.  | 123 GO | Facebook

21K views · 616 reactions | Are you ready for the best pranks on sisters and friends? Dropping a closet on a dummy, putting garlic in strawberries, pouring flour - we know exactly how to make fun of someone! | 123 GO | Facebook

What is a Fire Alarm System? In this video, we will have a look at the structure and types of the “Fire Alarm Systems”. The “Brain” of the system is the Fire Alarm Control Panel. It is the central hub for all of the detector signals to be wired to and provides a status indication to the users. There are a wide array of different types of detectors, but we can divide them into groups including "Heat detectors", "Smoke detectors", "Carbon Monoxide detectors", "Multi-sensor detectors", and "Manual