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A whiteboard (also known by marker board, dry-erase board, dry-wipe board, and pen-board) is a glossy, usually white surface for making non-permanent markings. Whiteboards are analogous to blackboards, but with a smoother surface allowing for rapid marking and erasing of markings on their surface. The popularity of whiteboards increased rapidly ...
The White Cliffs of Dover take their white color from the large amount of chalk, made of limestone, which they contain, which reflects the sunlight. Snow is a mixture of air and tiny ice crystals. When white sunlight enters snow, very little of the spectrum is absorbed; almost all of the light is reflected or scattered by the air and water ...
A restored gesso panel representing St. Martin of Tours, from St. Michael and All Angels Church, Lyndhurst, Hampshire. Gesso (Italian pronunciation:; 'chalk', from the Latin: gypsum, from Greek: γύψος), also known as "glue gesso" or "Italian gesso", [1] is a white paint mixture used to coat rigid surfaces such as wooden painting panels or masonite as a permanent absorbent primer substrate ...
Solid surface material, also known as solid surface composite, [1] is a man-made material usually composed of a combination of alumina trihydrate (ATH), acrylic, epoxy or polyester resins and pigments. It is most frequently used for seamless countertop installations. A solid surface material was first introduced by DuPont in 1967 under the name ...
Chalk is a soft, white, porous, sedimentary carbonate rock.It is a form of limestone composed of the mineral calcite and originally formed deep under the sea by the compression of microscopic plankton that had settled to the sea floor.
Many of my clients ask me if I think it is a good idea to use white fonting on their resume. White fonting is the practice of attempting to manipulate the Applicant Tracking Systems (ATS) that ...
Quartz-bearing granite (usually pink, white, or grey) is often made thicker than black granite to provide equal load-bearing capabilities of the types of material used for surface plates, as it is not as stiff as black granite. Damage to a granite surface plate will usually result in a chip but does not affect the accuracy of the overall plane.
Pieces of wreckage from the American Airlines flight that crashed into a helicopter above the Potomac River have been removed from the water.. On Monday, crews from the U.S. Army Corps of ...