Bus routes operating in DC or Maryland use only a number, or a letter and a number, as noted below.
Cut pile carpets cut the yarn tips so there arenât any loops. Cut pile carpets tend to be denser and softer than loop pile. There are several types of cut pile: 1  Plush has an even, smooth texture with a formal appearance.  Saxony has a smooth finish, but the fibers are longer and twisted to give each fiber more body.
Olefin materials will also resist static electricity, stains and will not show signs of wear in high-traffic rooms. Berbers are popular carpets made from olefin materials. Before olefin is turned into a carpet material, it can be dyed in a variety of colors. Olefin is comparable in price to nylon carpeting as well.