what is a watermark?
Watermark is the term used to describe an image in a sheet of paper. In the art of paper-making, each papermaker includes a faint trademark, which is easily seen when holding the paper up to a light source, which makes the mark clearly visible.
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Porcelain is a hard material made of clay which is primarily composed of the mineral kaolinite. It is used to make art objects and a wide range of everyday household wares such as dishes and bowls. Porcelain items are popular for painting with special glazes.
Metalcut was a technique for relief printing. It existed primarily from about 1450 to 1540 in Europe. The technique used thin metal plates. One method cut or hammered away parts which should not print. A second used engraving to show white lines on black background.
Mobile is the term used to describe a kinetic sculpture. A mobile is basically an ensemble of parts which are balanced together to hang freely, move independently, or as a whole, when moved by air or contact, constructed of wire and colorful metal shapes.
