martes, 5 de diciembre de 2017

How is Glass Made?

Glass is made from a mixture of sand, lime and soda. When these ingredients are heated together, they form a liquid glass. This liquid glass is made into sheets by cooling and flattening. To make objects like vases, craftsmen blow into a glob of liquid glass with the help of a long tube.
Watch this video to find out how glass is made, the processes and methods involved.