A type of material made by exposing a silica and sodium oxide mixture into a furnace to melt it into liquid glass, then shaping it into windows, usable kitchen tools, bottles and other drinking cups, and glass art.

h4. Related tags

* [[against glass]]
** [[breasts on glass]]
* [[broken glass]]
* [[stained glass]]

h4. See also

* [[drinking glass]]
* [[glasses]]
* [[transparent seat]]
ガラス