See also:

SENSE AND STYLE
Family Friendly (Not Really, Fair, Great, Excellent): Excellent Fun-Factor (None, Some, Good Times, Groove-On): Good Times ...

Three-way catalyst
The three-way catalyst is an emission control device installed in the exhaust system. Exhaust gases in the three-way catalyst are burned at high temperatures to help reduce pollutants. - Th ...

Relative humidity
Corrosion will be accelerated in areas of high relative humidity, especially those areas where the temperatures stay above freezing and where atmospheric pollution exists and road salt is used. ...