Fire extinguishers are useful in putting out small fires because they are filled with a substance that can suffocate the fire. Although they are not used often, they are extremely essential to your safety. As a result, it is important to have them inspected to make sure they are working properly. There is a special valve in the extinguisher that keeps the gas from leaking out. Which sentence does not summarize the main ideas of the text and should be taken out? A Fire extinguishers are useful in putting out small fires because they are filled with a substance that can suffocate the fire. B Although they are not used often, they are extremely essential to your safety. C As a result, it is important to have them inspected to make sure they are working properly. D There is a special valve in the extinguisher that keeps the gas from leaking out.