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  2. Conservation and restoration of vinyl discs - Wikipedia

    en.wikipedia.org/wiki/Conservation_and...

    The stylus tip should be kept clean at all times. A soft, camelhair brush is recommended with a drop of Discwasher solution. Only clean from back to front. The stylus should be periodically inspected as it is gradually worn by use. Never play LPs with a worn stylus. Maintain proper tracking force.

  3. Record restoration - Wikipedia

    en.wikipedia.org/wiki/Record_restoration

    Record restoration, a particular kind of audio restoration, is the process of converting the analog signal stored on gramophone records (either 78 rpm shellac, or 45 and 33⅓ rpm vinyl) into digital audio files that can then be edited with computer software and eventually stored on a hard-drive, recorded to digital tape, or burned to a CD or DVD.

  4. Depyrogenation - Wikipedia

    en.wikipedia.org/wiki/Depyrogenation

    Depyrogenation refers to the removal of pyrogens from solutions, most commonly from injectable pharmaceuticals.. A pyrogen is defined as any substance that can cause a fever. . Bacterial pyrogens include endotoxins and exotoxins, although many pyrogens are endogenous to the ho

  5. Lipopolysaccharide - Wikipedia

    en.wikipedia.org/wiki/Lipopolysaccharide

    LPS is the most abundant antigen on the cell surface of most gram-negative bacteria, contributing up to 80% of the outer membrane of E. coli and Salmonella. [2] LPS increases the negative charge of the cell membrane and helps stabilize the overall membrane structure. It is of crucial importance to many gram-negative bacteria, which die if the ...

  6. 100 Different Types of Diets - AOL

    www.aol.com/100-different-types-diets-213523549.html

    The Clean 20. The basics: A list of 20 foods that you should eat over 20 days. Positives: Eliminates processed foods. Intended to change long-term eating habits. Includes regular exercise as part ...

  7. LP record - Wikipedia

    en.wikipedia.org/wiki/LP_record

    The LP (from long playing [2] or long play) is an analog sound storage medium, specifically a phonograph record format characterized by: a speed of 33 + 1 ⁄ 3 rpm; a 12- or 10-inch (30- or 25-cm) diameter; use of the "microgroove" groove specification; and a vinyl (a copolymer of vinyl chloride acetate) composition disk.

  8. The Fight to Free Kidney Dialysis Patients From Their Bulky ...

    www.aol.com/fight-free-kidney-dialysis-patients...

    Cleaning the outsides of windows on a high-rise usually requires a lot of rope and a brave person with a squeegee. Much of the dust and dirt encrusting these windows is organic material, including ...

  9. Federal judge blocks Elon Musk’s DOGE access to critical ...

    www.aol.com/news/federal-judge-blocks-elon-musk...

    A federal judge, citing a risk of “irreparable harm,” early Saturday temporarily restricted Elon Musk’s government efficiency team from accessing a critical Treasury Department payment system.