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The square academic cap, graduate cap, cap, mortarboard [1] (because of its similarity in appearance to the mortarboard used by brickmasons to hold mortar [2]) or Oxford cap [3] is an item of academic dress consisting of a horizontal square board fixed upon a skull-cap, with a tassel attached to the centre.
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 ...
An interactive whiteboard (IWB) device can either be a standalone computer or a large, functioning touchpad for computers to use. Interactive whiteboards are widely used in classrooms, boardrooms, and training environments, providing an innovative way to share information, facilitate discussions, and enhance the overall learning or business communication experience.
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.
Cork, a common bulletin board material Bulletin boards can also be made of felt. A bulletin board ( pinboard , pin board , noticeboard , or notice board in British English) is a surface intended for the posting of public messages, for example, to advertise items wanted or for sale, announce events, or provide information.
A Meeting of the School Trustees by Robert Harris. A board of education, school committee or school board is the board of directors or board of trustees of a school, local school district or an equivalent institution. [1] [2] [3] The elected council determines the educational policy in a small regional area, such as a city, county, state, or ...
The National School Boards Association (NSBA) is a nonprofit educational organization operating as a federation of state associations of school boards across the United States. Founded in 1940, NSBA represents state school boards associations and their more than 90,000 local school board members.
The 1991 World Championships used springboards, while the 1992 Summer Olympics used Reuther boards. [4] At modern competitions, two kinds of springboards are provided, a 'hard' board and a 'soft' board. Gymnasts may choose between the hard and soft boards for vault, but they may only choose to use the soft board on other events. [2]