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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 biscuit joining system was invented in 1956 in Liestal, Switzerland, by Hermann Steiner.Steiner opened his carpenter's shop in 1944, and, in the middle of the 1950s, while looking for a simple means of joining the recently introduced chipboard, invented the Lamello joining system.
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] Related to the clipboard is the Shannon Arch File, which was developed around 1877.
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 ...
Example of cardboard. Cardboard is a generic term for heavy paper-based products. Their construction can range from a thick paper known as paperboard to corrugated fiberboard, made of multiple plies of material.
As the American Civil War commenced, Annie Nahar was a student at the Nantucket High School.Heeding the call of Nantucket native and Quaker activist Anna Gardner for teachers to go South to educate the freedmen, in June 1864, Annie left Nantucket for New Orleans, where she taught school for four years under the auspices of the Freedmen's Bureau, before moving to San Antonio, Texas [8]
In 1837 Friedrich Fröbel invented a preschool educational institution Kindergarten. For that, he designed ten Froebel Gifts based on building blocks principles. During the mid-nineteenth century , Henry Cole (under the pseudonym of Felix Summerly) wrote a series of children’s books .