![](https://web.archive.org/web/20060421163409im_/http://static.howstuffworks.com/gif/spacer.gif) |
Today on Home Improvement: |
![](https://web.archive.org/web/20060421163409im_/http://static.howstuffworks.com/gif/spacer.gif) |
![](https://web.archive.org/web/20060421163409im_/http://static.howstuffworks.com/gif/spacer.gif) | | How Central Vacuum Systems Work - When the floor needs a good cleaning, most of us reach for the portable vacuum cleaner and drag it around the house. Well, what if your whole house were a vacuum? Find out how central vacuum systems work.
| | How Hardwood Floors Work - If you want a surefire way to improve the look and value of your home, hardwood floors are the way to go. They're beautiful and environmentally friendly. Find out all about this sustainable floor choice.
| | How Nail Guns Work - If you've ever missed the nail and hit your thumb with a hammer, you understand the draw of a nail gun. And the raw power is a nice perk too. Some nail guns can launch nails at 1,400 feet per second.
Learn all about electrical, pneumatic and combustion nailers.
|
|
|
|
![](https://web.archive.org/web/20060421163409im_/http://static.howstuffworks.com/gif/spacer.gif) |
The Home Improvement Library: |
![](https://web.archive.org/web/20060421163409im_/http://static.howstuffworks.com/gif/spacer.gif) |
![](https://web.archive.org/web/20060421163409im_/http://static.howstuffworks.com/gif/spacer.gif) |
|