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Fireplaces are known for their warmth, but they can sometimes lose more heat than they provide. Learn about fireplaces at HowStuffWorks.

The top 5 signs of engine trouble could indicate major problems. Visit HowStuffWorks to see the top 5 signs of engine trouble.

Knowing how to assess your own health can help you identify the areas of your lifestyle that need improvement. Learn how to evaluate your health.

Looking for tips for staying fresh on a date? Visit HowStuffWorks to find five tips for staying fresh on a date.

Did you know that a fire sprinkler system is designed to be triggered by extremely high heat? Learn all about how a fire sprinkler system works.

Frying foods gives you a crisp and golden outside and a moist and tender inside. Learn more about frying foods questions here.

Getting away from a fire on foot may not be as easy as you think. Can you really outrun a fire? Find out at HowStuffWorks.

Writing a legible message on paper requires a steady hand; writing one in the sky requires a steady everything.

Giving the gift of health is a great way to spend your holiday season. Learn about giving the gift of health in this article at HowStuffWorks.

I have heard that carbon monoxide is extremely poisonous. Can you explain why?

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