Assertion: formaldehyde | /r/HasProperty | produced
Facets:
value: during burning of organic matter
type: TEMPORAL
value: naturally
type: MANNER
value: industrially
type: MANNER
value: usually
type: DEGREE
value: by reacting methanol vapor
type: MANNER
Source sentences:
text: Formaldehyde is naturally produced during burning of organic matter and by a variety of natural biological and chemical processes.
text: Formaldehyde in China: Production, consumption, exposure levels, and health effects.
text: Production and Uses – Formaldehyde is usually manufactured by reacting methanol vapor and air over a catalyst (chemical initiator).
text: Formaldehyde is naturally produced during burning of organic matter and by a variety of natural biological and chemical processes.
text: Formaldehyde is a colorless, strong-smelling, flammable chemical that is produced industrially and used in building materials such as particleboard, plywood, and other pressed-wood products.
text: It is produced during the decay of plant material in the soil and during normal chemical processes in most living organisms.
text: Formaldehyde in China: Production, consumption, exposure levels, and health effects.