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медицина
кислородный аппарат
общая лексика
газообразный кислород
медицина
оксигенотерапия
In computer hardware, a caddy is a container used to hold some medium, such as a CD-ROM. If the medium is a hard disk drive, the caddy is also referred to as a disk enclosure. Its functionality is similar to that of the 3.5" floppy disk's jacket.
The purpose of a disk caddy is to protect the disk from damage when handling; its use dates back to at least the Capacitance Electronic Disc in 1976, and they were used in initial versions of Blu-ray Discs, though as a cost-saving measure newer versions use hard-coating technology to prevent scratches and do not need a caddy.
Caddies may be an integral part of the medium, as in some DVD-RAM discs, or separately attached.