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Other types, called paint markers, contain volatile organic compounds which evaporate to dry the ink, and are similar to spray paint. Due to solvents such as toluene and xylene often being present in permanent markers, they have a potential for abuse as a recreational drug. The permanent marker was invented in 1952 by Sidney Rosenthal.
The tip of a green felt-tip pen A box of colored felt-tip pens Marker pen. A marker pen, fine liner, marking pen, felt-tip pen, felt pen, flow marker, sign pen (in South Korea), vivid (in New Zealand), flomaster (in East and South Slavic countries), texta (in Australia), sketch pen (in South Asia), koki (in South Africa) or simply marker is a pen which has its own ink source and a tip made of ...
Security marker pens or UV markers with fluorescent ink that glows when illuminated with a UV light is often used to invisibly mark valuable household items in case of burglary. There are specialty security maker pens formulated for writing on non-porous surfaces such as glass, plastic, metal, etc.
Another type of paint marker is the solidified paint pen. This is a type of marker, often contained within a twist tube, that is a cylinder of semi-hardened oil-paint with a pointed tip. As one writes with it, the point wears down and must be advanced to in order to continue writing. The marker leaves a mark similar to that of chalk. It is ...
UV marker with UV led lamp. An ultraviolet (UV) marker is a pen whose marks are fluorescent but transparent; the marks can be seen only under an ultraviolet light. They are commonly used in security situations to identify belongings or to prevent the reproduction of unauthorized banknotes. UV pens can now be bought at some stationery shops to ...
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Pelikan - a German, Swiss-incorporated manufacturer of fountain pens and other writing, office and art equipment; Pen – an instrument for writing; Pen Room – a museum in Birmingham, England about the pen trade; PenAgain – a pen used to reduce repetitive strain injury; Permanent marker; Perry & Co. – a manufacturer of ink pens; Plastisol ...
Patrick had tagged some variation of his name or initials on the book’s surfaces with a ballpoint pen, and its pages were full of highlighting and bristling with Post-its. Back in the wood-paneled living room of their Lexington, Kentucky, home that afternoon, Patrick and his parents began an impromptu family meeting about what to do next.