Skin cysts are small, painless bumps under the skin that can become infected. Learn the do's and don'ts of treating this common skin problem. Skip to main content
Percent Saturation. The amount of a substance that is dissolved in a solution compared to the amount that could be dissolved in it. Try searching Percent Saturation across the entire website.
Â­Steel is iron that has most of the impurities removed. Steel also has a consistent concentration of carbon throughout (0.5 to 1.5 percent). Impurities like silica, phosphorous and sulfur weaken steel tremendously, so they must be eliminated. The advantage of steel over iron is greatly improved strength.