Bus routes operating in DC or Maryland use only a number, or a letter and a number, as noted below.
The two main types of carpet construction are defined by the way the carpet fibers are attached to their backing. Loop pile means the fibers are bent into little loops. Itâs a very durable, stain-resistant carpeting, but has a low profile and limited cushioning. Level loop is also called Berber.
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.