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Videotape Recorder
A video tape recorder (VTR) is a tape recorder designed to record and play back video and audio material on magnetic tape. The early VTRs were open-reel devices which record on individual reels of 2-inch-wide (5.08 cm) tape. They were used in television studios, serving as a replacement for motion picture film stock and making recording for television applications cheaper and quicker. Beginning in 1963, videotape machines made instant replay during televised sporting events possible. Improved formats, in which the tape was contained inside a videocassette, were introduced around 1969; the machines which play them are called videocassette recorders
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Disposable Camera
A disposable or single-use camera is a simple box camera meant to be used once. Most use fixed-focus lenses. Some are equipped with an integrated flash unit, and there are even waterproof versions for underwater photography. Internally, the cameras use a 135 film or an APS cartridge. While some disposables contain an actual cartridge as used for loading normal, reusable cameras,[1] others just have the film wound internally on an open spool. The whole camera is handed in for processing. Some of the cameras are recycled, i.e. refilled with film and resold
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Printing

Printing is a process for mass reproducing text and images using a master form or template. The earliest non-paper products involving printing include cylinder seals and objects such as the Cyrus Cylinder and the Cylinders of Nabonidus. The earliest known form of printing as applied to paper was woodblock printing, which appeared in China before 220 AD for cloth printing, however it would not be applied to paper until the seventh century.[1] Later developments in printing technology include the movable type invented by Bi Sheng around 1040 AD[2] and the printing press invented by Johannes Gutenberg in the 15th century
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