The lines that run north and south on a map or globe are the lines of longitude or meridians. Each meridian runs from the North Pole to the South Pole. Meridians meet at the poles, and are farthest apart at the equator. The meridian marked 0 is called the Prime Meridian.
The ZEP Commercial 5-Gallon High-Traffic Floor Polish offers your floors a durable and high-gloss shine. Use it on interior rubber, asphalt tile, vinyl and vinyl composition, sealed concrete, terrazzo, and no-wax vinyl floors. You can also use it on wood, marble, granite, natural stone and glazed ceramic tile.
ZEP Commercial 32 oz. Grout Cleaner and Whitener is formulated for use only on floor grout lines. It cleans and whitens grout and removes light rust stains off concrete with little or no scrubbing. It is not recommended for marble, stone, metal or Corian. Use only for cleaning and whitening floor grout lines.