Assertion: glass | /r/HasProperty | melted
Facets:
value: traditionally
type: OTHER
Source sentences:
text: Traditionally, the glass was melted using local raw materials, including sand from neighbouring villages, sodium carbonate (from the Dead Sea), and coloring additives such as iron oxide and copper oxide.
text: This separates the SiO 2 tetrahedral from each other, which makes the mixture more fluid and therefore more likely to form a glass after it has been melted and then cooled.