Fire sprinklers may not look pretty, but if you think about how your home would look after a fire has ravaged it, it may be worth putting up with a few fire sprinklers sticking out of your ceiling. Fire sprinklers have fire-sensing abilities that trigger the sprinklers into action well before the fire brigade arrives. Take this quiz to see what you know about this clever system that may save your home and your life.
How much do you know about how car engines work? And how much do you know about how the English language works? And what about how guns work? How much do you know? Lucky for you, HowStuffWorks is about more than providing great answers about how the world works. We are also here to bring joy to your day with fun quizzes, compelling photography and fascinating listicles. Some of our content is about how stuff works. Some is about how much you know about how stuff works. And some is just for fun! Because, well, did you know that having fun is an important part of how your brain works? Well, it is! So keep reading!