Assertion: oxygen | /r/HasProperty | important
Facets:
value: as a bleaching chemical
type: MANNER
value: increasingly
type: DEGREE
value: very
type: DEGREE
Source sentences:
text: Oxygen is very important.
text: It is used in blast furnaces to make steel, and is an important component in the production of many synthetic chemicals, including ammonia, alcohols, and various plastics.
text: Lavoisier understood that oxygen was an important part of air, and this fact was proved beyond doubt when oxygen was separated from liquid air by distillation (1883).
text: : Oxygen is increasingly important as a bleaching chemical.