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Wrap advertising or a vehicle wrap describe the marketing practice of completely or partially covering (wrapping a vehicle in an advertisement or livery. The result of this process is essentially a mobile billboard. Wrap advertising can be achieved by painting a vehicle's outer surface, but an increasingly ubiquitous practice in the 21st century involves the use of large vinyl sheets as "decals". The vinyl sheets can later be removed with relative ease, drastically reducing the costs associated with changing advertisements. While vehicles with large, flat surfaces (such as buses and light-rail carriages) are often used, automobiles can also serve as hosts for wrap advertising, despite consisting of more curved surfaces. ==Description== Using what is known as a "conformable vinyl wrapping" material, a high-quality print or protective clear wrap can be molded to almost any and every part of a vehicle. Typically, conformable material is used because it is the easiest to work with, especially on contoured surfaces. Using the proper adhesives when applying the material to the surface of the car is essential, otherwise the wrap can lead to adhesive failure in a few months after the application. Advancements in plastics have led to new types of vinyl designed specifically for wrap advertising, including vinyl sheets that feature bubble-preventing air channels. Microscopic glass beads are used to prevent an adhesive from functioning until the user is ready (the beads allow the material to be repeatedly lifted and reapplied during the wrapping process, without compromising the longevity of the wrap). The vinyl is heated with a heat gun or torch for the purpose of molding the material around objects. Decals can be made to cover side and rear windows on a vehicle, but for safety reasons, the front windows used by the driver are not covered. The decals on side windows are typically perforated, so that it is still possible for passengers to look outside. This See-through graphic technology originated in the 1980s, with the first dominant patent registered by a British company called Contra Vision.〔US (Patent No. RE37,186 ) “Unidirectional Panel” (Hill).〕 Wrapped advertisements must often be divided into a number of smaller pieces to appropriately cover any movable panels on the vehicle, such as the fuel tank cover, trunk (boot) openings, and other doors. Wrapping is also sometimes used instead of paint as a less-permanent way of applying its operator’s standard livery. This has become particularly common in the UK where, since the privatisation of British Rail, it has become quite frequent for trains to be transferred from one company to another, requiring many changes of livery. Wrapping can also be used for vehicle customisation, and race cars often get vehicle wraps as they are lighter than paint. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Wrap advertising」の詳細全文を読む スポンサード リンク
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