Ceramic Tiles are divided into thee groups, porcelain tiles, homogenous tiles and ceramic (non-porcelain) tiles. Collectively, all three groups of tiles are called Ceramic Tiles.
As any homeowner knows, metal surfaces are prone to rust, especially if they are exposed to moisture.
Oil Stain from cars can be nasty, especially if left on the driveway or garage for a long time. Water seldom wash them off, neither does common household cleaners work.