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To see it, one must be in a dark room, with one eye closed; one must look straight ahead while moving a light back and forth in the field of the open eye. Then one should see the sixth Purkinje as a dimmer image moving in the opposite direction. The Purkinje tree is an image of the retinal blood vessels in one's own eye, first described by ...
One aggravating factor is that a PDF reader can be configured to start automatically if a web page has an embedded PDF file, providing a vector for attack. If a malicious web page contains an infected PDF file that takes advantage of a vulnerability in the PDF reader, the system may be compromised even if the browser is secure.
Split PDF files in a number of ways: After every page, even pages or odd pages; After a given set of page numbers; Every n pages; By bookmark level; By size, where the generated files will roughly have the specified size; Rotate PDF files where multiple files can be rotated, either every page or a selected set of pages (i.e. Mb).
The porch's roof treatment was the same as in the interior room, but the space provided was used for different purposes. Vigas were usually installed with the smaller ends to one side of the roof to facilitate good drainage. [12] Vigas usually sat directly on the adobe or stone walls and were strapped.
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The word translated as beam refers to a rafter or a log [2] such as would hold up the roof of a house. [3] A beam is a difficult thing to get in one's eye, but it functions as a humorous and hyperbolic metaphor for an extreme flaw. [3] The metaphor comes from woodworking and carpenter workshop. [1]
Inside America's Prosthetic Eye Dynasty. n November 1954, 29-year-old Sammy Davis Jr. was driving to Hollywood when a car crash left his eye mangled beyond repair. Doubting his potential as a one-eyed entertainer, the burgeoning performer sought a solution at the same venerable institution where other misfortunate starlets had gone to fill their vacant sockets: Mager & Gougelman, a family ...
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