enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Blackboard - Wikipedia

   en.wikipedia.org/wiki/Blackboard

   Stick-slip effect with a chalk on a blackboard. Chalk sticks are produced in white and in various colours, especially for use with blackboards. White chalk sticks are made mainly from calcium carbonate derived from mineral chalk or limestone, while coloured chalk sticks are made from calcium sulphate in its dihydrate form, CaSO 4 ·2H 2 O, derived from gypsum.

3. Liquid chalk - Wikipedia

   en.wikipedia.org/wiki/Liquid_chalk

   The term liquid chalk, or sharkchalk, refers to several different kinds of liquified chalk including liquid-chalk marking pens (with water-soluble ink), liquid-chalk mixtures (for athletic use: rock climbing, weightlifting, gymnastics), and liquid-chalk hobby-craft paints made of cornstarch and food coloring (some with small amounts of flour).

4. Pentel - Wikipedia

   en.wikipedia.org/wiki/Pentel

   Demand for a Sign Pen was so extraordinary that the Tokyo factories could not supply all requests. [8] The Sign Pen was one of Pentel's most successful products with more than two billion units sold. [2] In 1971 the company changed its name to "Pentel Co. Ltd." and one year later, the green rollerball pen with water-based ink, was launched. [2]

5. Pen - Wikipedia

   en.wikipedia.org/wiki/Pen

   Specialized felt-tip pens referred to by names such as "liquid chalk" or "chalkboard markers" are used to write on chalkboards. Markers with wide tips and bright but transparent ink, called highlighters, are used to highlight text that has already been written or printed. Pens designed for children or for temporary writing (as with a whiteboard ...

6. List of pen types, brands and companies - Wikipedia

   en.wikipedia.org/wiki/List_of_pen_types,_brands...

   A pen is a handheld device used to apply ink to a surface, usually paper, for writing or drawing. [1] Additional types of specialized pens are used in specific types of applications and environments such as in artwork, electronics, digital scanning and spaceflight, and computing.

7. James Pillans - Wikipedia

   en.wikipedia.org/wiki/James_Pillans

   The son of James Pillans, he was born at Sheriff Brae in Leith [3] in April 1778. His father was a merchant and then a printer in Edinburgh, creating Pillans & Wilson.He was also an elder in the Anti-Burgher branch of the Scottish Secession Church, of Adam Gib, and a liberal in politics.