Assertion: glass's amount | /r/CapableOf | reduce the like
Facets:
value: as a foaming agent
type: MANNER
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.