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.
Types of Carpets. Berber carpets look like and are named after a handmade bulky wool carpet made by the Berber tribes of North Africa and Asia. They are increasing in popularity faster than any other type of carpet.