What does the Army SPOT report stand for? The Army SPOT report is used to report on information about events and conditions that have an impact on operations and planning. SPOT stands for, situation, position, obs â¦ ervation, and task.
Antique glass can be categorized into three types-Mouth Blown Antique; Flashed Glass; and Drawn Antique. Mouth blown glass is the traditional way to produce a full antique glass.This time honored method relies heavily on the craftsmanship of a master glassblower.ntique Glass. Antique glass can be categorized into three types-Mouth Blown Antique; Flashed Glass; and Drawn Antique. Mouth blown glass is the traditional way to produce a full antique glass. This time honored method relies heavily on the craftsmanship of a master glassblower.
The major ingredient for glass making is silica, in the form of sand. Only sand of exceptional purity can be used to make glass. If the sand contains a trace of iron, for instance, the glass made with it will have a greenish color. Even for ordinary window glass, sand must be better than 99 percent pure silica, perfectly white, and not too fine. But I guess if you are looking for 4 main ingredients... Silica Sand 60% Soda Ash 20% Limestone 15% Alumina-Silicate 4% Those are the 4 main I could find. But really it's all about the sand.