Assertion: foam's amount | /r/HasProperty | added
Facets:
value: next
type: DEGREE
Source sentences:
text: Lava foam glass: natural lava such as obsidian and industrial waste slag is used as the base material, and a certain amount of glass powder can also be added to reduce the foaming temperature and foam glass made of or the like as a foaming agent.
text: Next, a small amount of finely ground carbon-black is added and the material is heated in a "cellulation" process.
text: Next, a small amount of finely ground carbon-black is added and the material is heated in a "cellulation" process.