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Particleboard with veneer. Particle board, also known as particleboard or chipboard, is an engineered wood product, belonging to the wood-based panels, manufactured from wood chips and a synthetic, mostly formaldehyde-based resin or other suitable binder, which is pressed under a hot press, batch- or continuous- type, and produced. [1]
Chipboard may refer to: Particle board, a type of engineered wood known as chipboard in some countries; See also. White-lined chipboard, a grade of paperboard;
The earliest forms were patented in 1870–1871 and referred to as board clips. [1] Another early version of the clipboard, known as the "memorandum file", was invented by American inventor George Henry Hohnsbeen in 1921, for which he was granted U.S. patent 1,398,591 . [ 2 ]
In the People's Republic of China, Children's Day is celebrated on 1 June and is formally known as "the June 1 International Children's Day". [29] When the People's Republic of China was first established in 1949, the State Council (Cabinet) designated a half-day holiday for all primary schools on 1 June, following the lead of the Soviet Union.
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 ...
The word cardboard has general use in English and French, [1] [2] but the term is deprecated in commerce and industry as not adequately defining a specific product. [3] Material producers, container manufacturers, [ 4 ] packaging engineers , [ 5 ] and standards organizations , [ 6 ] use more specific terminology.
The Scottish-born Robert Gair invented the pre-cut cardboard or paperboard box in 1890 – flat pieces manufactured in bulk that folded into boxes. Gair's invention came about as a result of an accident: he was a Brooklyn printer and paper-bag maker during the 1870s, and one day, while he was printing an order of seed bags, a metal ruler ...
Anna M. Mangin (October 1844 - March 1, 1931) was an American inventor, educator, and caterer. She invented a kitchen tool she called a pastry fork in 1891. This was different from the eating utensil also known as a pastry fork. [1] [2]