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2. Chalkboard eraser - Wikipedia

   en.wikipedia.org/wiki/Chalkboard_eraser

   A chalkboard eraser (sometimes known as a duster in India and elsewhere [1] [2]) is a special type of eraser specifically used to erase chalk markings on slating paint (used on chalkboards and slates). It is most commonly made of felt strips attached to a handle. Chalkboard erasers are typically broad and rectangular, intended to clear large ...

3. Blackboard - Wikipedia

   en.wikipedia.org/wiki/Blackboard

   A blackboard or a chalkboard is a reusable writing surface on which text or drawings are made with sticks of calcium sulphate or calcium carbonate, known, when used for this purpose, as chalk. Blackboards were originally made of smooth, thin sheets of black or dark grey slate stone.

4. Wet-wipe marker - Wikipedia

   en.wikipedia.org/wiki/Wet-wipe_marker

   Wet wipe markers were often used on overhead projector transparencies, as they could be stored and transported easily, unlike a traditional chalkboard. With the rise of computerized slide-shows (e.g. PowerPoint ) in the classroom and office, overhead usage has reduced substantially, and with it, the wet wipe marker.

5. Eraser - Wikipedia

   en.wikipedia.org/wiki/Eraser

   Felt chalkboard erasers or blackboard dusters are used to erase chalk markings on a chalkboard. 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 ...

6. Whiteboard - Wikipedia

   en.wikipedia.org/wiki/Whiteboard

   Researcher writing on a whiteboard Whiteboard with marker and eraser. 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.

7. Category:Educational devices - Wikipedia

   en.wikipedia.org/wiki/Category:Educational_devices

   Chalkboard eraser; F. Flip chart; M. ... Slate (writing) W. Whiteboard This page was last edited on 11 November 2021, at 06:11 (UTC). Text is available under the ...