Chinese New Year. In the decorative arts, a bird is rarely just a bird and a flower seldom represents a simple flower. These evocative symbols conjure different narratives, ideas, and emotions according to the context in which they are portrayed and the viewer who observes them. That is what makes them so powerful.
Glass is formed by heating sand to its melting point. Objects are  then either cast or blown to their desired shape and allowed to  cool slowly    Glass is made from â¦ a mixture of sand and other materials. Just  regular sand can be made into glass, but it must be heated to about  3,000 degrees Fahrenheit.
The plastic matrix may be a thermosetting plastic â most often epoxy, polyester resin â or vinylester, or a thermoplastic. The glass fibers are made of various types of glass depending upon the fiberglass use. These glasses all contain silica or silicate, with varying amounts of oxides of calcium, magnesium, and sometimes boron. To be used in fiberglass, glass fibers have to be made with very low levels of defects.