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In computer hardware, a caddy is a container used to protect an optical media disc from damage when handling. Its functionality is similar to that of the 3.5" floppy disk 's jacket. Its use dates back to at least the Capacitance Electronic Disc in 1981, and they were also used in initial versions of the Blu-ray Disc . [ 1 ]
Length and size of screws holding the shelf to the wall differ depending on the material of the wall. A good rule of thumb for concrete walls is that the screw should go into the wall at least as far as one-tenth the width of the shelf. But there are shelf systems where a brace is hung on the wall, onto which brackets are attached without screws.
A well-used modern desk-style electric pencil sharpener. The oldest surviving electric pencil sharpener is the Boston Polar Club pencil sharpener, introduced around 1936. [19] Electric pencil sharpeners work on the same principle as manual ones, but one or more flat-bladed or cylindrical cutters are rotated by an electric motor. [16]
Jefferson never had a lazy Susan at Monticello, but he did construct a box-shaped rotating book stand and, as part of serving "in the French style", employed a revolving dining-room door whose reverse side supported a number of shelves. [9]). By the 1840s, Americans were applying the term to small lifts carrying food between floors as well. [1]
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You can think of it all as one long pipeline, adds Dr. Earl Campbell, a gastroenterologist at Wellstar Health System. And your mouth and your intestines aren’t just linked physically, but also ...
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