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A whiteboard (also known by marker board, dry-erase board, dry-wipe board, and pen-board) is a glossy, usually white surface for making non-permanent markings. Whiteboards are analogous to blackboards , but with a smoother surface allowing for rapid marking and erasing of markings on their surface.
Whiteboard marker on a clapperboard. A whiteboard marker— or dry-erase marker— uses an erasable ink, made to be used on a slick (or matte-finished), non-porous writing surface, for temporary writing with overhead projectors, whiteboards, glass, and the like. They are designed so that the user can easily erase the marks using a damp cloth ...
A permanent marker can also be removed by drawing over it with a dry erase marker on non-porous surfaces such as a whiteboard, [3] as dry erase markers also contain a non-polar solvent. Most dry-erase board cleaner solutions also contain effective organic solvents like 2-butoxyethanol to remove the pigment.
Non-Reflective Surface: Blackboards do not reflect light like whiteboards, allowing information to be viewable from all angles without glare. Ease of Erasure: Chalk can be easily erased, while whiteboard markings left for an extended period may require solvents for removal.
Chalk writing leaves light-colored particles weakly adhering to a dark surface (e.g., white on black, or yellow on green); it can be rubbed off with a soft material, such as a rag. Erasers for chalkboards are made, with a block of plastic or wood, much larger than an eraser for pen or pencil, with a layer of felt on one side.
After deleting the controversial tweets, Gascón said in a statement to The Independent: “I want to acknowledge the conversation around my past social media posts that have caused hurt. As ...
Using light pressure, work in small sections, starting with the rubber soles. For canvas or leather portions, use extra-gentle pressure to avoid damage. Clean shoelaces separately by running the ...
Infrared light curtain – When pressed to the whiteboard surface, the finger or marker sees the infrared light. Software then manipulates the information to triangulate the location of the marker or stylus. This technology allows whiteboards to be made of any material; with this system no dry-erase marker or stylus is needed.