What is the process for making glass?



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    The main ingredient in making glass in silica, or silicious substances, such as sand, flint, or spar. You also need to mix it with flux, like lead, arsenic, nitrate, etc., which is used to prevent oxidation during heating, as well as fusing the silica. Next, it all is crushed into a powder that has to be consistent in size, or else there will be inconsistencies in the glass. Then that power is heated in a furnace at a high temperature, usually for 5-6 hours, allowing it to melt and fuse. Then it is taken out and shaped/blown, and then cooled. With the end product being glass.

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