Microsoft's Layout tag registry establishes conventions for naming and using these tags. Unlike most HTML tags, comments do not nest. The tags, or keywords, are designated by users. Finder gets enhancements such as tabs, fullscreen support, and document tags. It bears the added cost of duplicated tags, however. The Canadian Cattle Identification Agency began using RFID tags as a replacement for barcode tags. Parking wardens may enforce the parking by license plate, transponder tags, or barcode stickers. There are a number of different types, including card readers, wireless tags and USB tokens. Ampoules are common practice as containers of low frequency RFID tags. They started out using MTV's famous Kabel typeface font for their music video credit tags. It is used to define dynamic values for tags and component properties. Personalization options including camos, paints, emblems, dog tags and more. Folksonomies consist of three basic entities&colon; users, tags, and resources. EAP-NOOB supports many types of OOB channels such as QR codes, NFC tags, audio etc. The NFC framework now supports reading several types of contactless smartcards and tags.