Toyota wants to salute do-gooders by giving 100 cars over 100 days to organizations that could really use a new set of wheels. And voters like you decide who gets a new ride every day.
PEI is the abbreviation for Porcelain Enamel Institute. A PEI Rating is given to a tile product based the hardness of its glaze. This hardness is determined by the manufacturer using a standardized test.
You may have heard about a PEI ratings for porcelain and ceramic tile. While not required to do so by law, any respectable tile company will publish PEI ratings for each tile in the specification section of a product tearsheet.