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.
Best Upright Vacuums 2016. The upright vacuum is the most popular type of vacuum cleaner. It is designed primarily for carpets and rugs, but many can be used for hardwood and tiled floors as well. If you are going to be vacuuming primarily carpets, this would be the type that would be best suited to that task.