Assertion: glass | /r/HasProperty | molten
Facets:
Source sentences:
text: Hollow glass wall blocks are manufactured as two separate halves and, whilst the glass is still molten, the two pieces are pressed together and annealed.
text: Falconnier Bricks were blown glass bricks available in multiple colors and were formed in molds while the glass was molten.
text: The red color is often imparted by gold salts added when the glass was still molten.
text: The red color is often imparted by gold salts added when the glass was still molten.