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2. Bulletin board - Wikipedia

   en.wikipedia.org/wiki/Bulletin_board

   Well-used bulletin board on the Infinite Corridor at MIT, November 2004 Fanciful drawing of a general store by Marguerite Martyn in the St. Louis Post-Dispatch of October 21, 1906. A man at right reads a notice of a revival service on a bulletin board. Cork, a common bulletin board material Bulletin boards can also be made of felt.

3. Whiteboard - Wikipedia

   en.wikipedia.org/wiki/Whiteboard

   A combination between a whiteboard and a cork bulletin board Original early 1960s ad for "Plasti-slate", the first whiteboard/dry erase board invented by Martin Heit. It has been widely reported that Korean War veteran and photographer Martin Heit and Albert Stallion, an employee at Alliance, a leading flat rolled steel sheet supplier should be credited with the invention of the whiteboard in ...

4. Cork (material) - Wikipedia

   en.wikipedia.org/wiki/Cork_(material)

   Harvesting of cork from the forests of Algeria, 1930. Cork is a natural material used by humans for over 5,000 years. It is a material whose applications have been known since antiquity, especially in floating devices and as stopper for beverages, mainly wine, whose market, from the early twentieth century, had a massive expansion, particularly due to the development of several cork-based ...

5. Cork thermal insulation - Wikipedia

   en.wikipedia.org/wiki/Cork_thermal_insulation

   The findings clearly demonstrated that moisture absorption during the rainy season is confined to the surface layers and has no effect on the cork's thermal insulation performance. Other research has focused on cork-based composites. The insulation used in the studies by Cherki et al. [12] and Monir et al., [13] is a cork-gypsum composite ...

6. Building insulation material - Wikipedia

   en.wikipedia.org/wiki/Building_insulation_material

   The pure cork is made by processes of heating and steaming whereby cork granulates are molded into a block. The natural resin of the cork acts as a bonding agent. An artificial bonding agent is required for the production of agglomeration cork. Cork is typically used for acoustic and thermal insulation within walls, floors, ceilings and facades.

7. Recycling codes - Wikipedia

   en.wikipedia.org/wiki/Recycling_codes

   Recycling codes on products. Recycling codes are used to identify the materials out of which the item is made, to facilitate easier recycling process.The presence on an item of a recycling code, a chasing arrows logo, or a resin code, is not an automatic indicator that a material is recyclable; it is an explanation of what the item is made of.